Graph the solution set of each inequality and write it in interval notation. $1 \leq x < 7$

Atmospheric scientists often use mixing ratios to express the concentrations of trace compounds in air. Mixing ratios are often expressed as ppmv (parts per million volume): ppm of $X = \frac { \text { vol of } X \text { at } S T P } { \text { total vol of air at } S T P } \times 10 ^ { 6 }$ On a certain November day, the concentration of carbon monoxide in the air in downtown Denver, Colorado, that time was 628 torr and the temperature was $0 ^ { \circ } \mathrm { C }.$ What was the concentration of CO in molecules per cubic centimeter?

How are the formulas for the surface area of a prism and the surface area of a pyramid alike? How are they different?

What is the square root of 24?

Explain what is meant by sympatric speciation (do not confuse this with sympatric species):

Which steps in the following argument cannot be “reversed?” Why? Assume that $y=f(x)$ is a nonzero function and that $d^{2} y / d x^{2}$ exists for all x. Step 1: $y=x^{2}+2 \quad \Longrightarrow \quad y^{2}=x^{4}+4 x^{2}+4$ Step 2: $y^{2}=x^{4}+4 x^{2}+4 \Longrightarrow 2 y \frac{d y}{d x}=4 x^{3}+8 x$ Step 3: $2 y \frac{d y}{d x}=4 x^{3}+8 x \quad \Longrightarrow \quad \frac{d y}{d x}=\frac{4 x^{3}+8 x}{2 y}$ Step 4: $\frac{d y}{d x}=\frac{4 x^{3}+8 x}{2 y} \quad \Longrightarrow \quad \frac{d y}{d x}=\frac{4 x^{3}+8 x}{2\left(x^{2}+2\right)}$ Step 5: $\frac{d y}{d x}=\frac{4 x^{3}+8 x}{2\left(x^{2}+2\right)} \Rightarrow \frac{d y}{d x}=2 x$ Step 6: $\frac{d y}{d x}=2 x \quad \Longrightarrow \quad \frac{d^{2} y}{d x^{2}}=2$

Decline the noun: consul, consulis

A spaceship resting on Earth has a length of 35.2 m. As it departs on a trip to another planet, it has a length of 30.5 m as measured by the Earthbound observers. The Earthbound observers also notice that one of the astronauts on the spaceship exercises for 22.2 min. How long would the astronaut herself say that she exercises?

In "The Man to Send Rain Clouds," to which two senses would you say Silko appeals the most? Support your answer.

Suppose the story had been told from the mother's point of view. Would Meimei still be the protagonist? Explain.

What is the speed of a particle whose kinetic energy is equal to

its rest energy and

Is the following statement true? Rewrite incorrect statement to correct them. "The atomic mass can be smaller than the atomic number."

12% of the over-60 population of Agento have lung cancer. Of those with lung cancer, 50% were heavy smokers, 40% were moderate smokers, and 10% were non-smokers. Of those without lung cancer, 5% were heavy smokers, 15% were moderate smokers, and 80% were non-smokers. If a member of the over-60 population of Agento is chosen at random, what is the probability that: a. the person was a heavy smoker b. the person has lung cancer given the person was a moderate smoker c. the person has lung cancer given the person was a non-smoker?

Suppose that instead of being peanut shaped, Halley’s Comet was spherical with a radius of $5.0 \mathrm{km}$ (about its present volume). Which answer below would be closest to your radial acceleration if you were standing on the “equator” of the rotating comet? (a)$10^{-5} \mathrm{m} / \mathrm{s}^{2}$ (b)$10^{-3} \mathrm{m} / \mathrm{s}^{2}$ (c)$0.1 \mathrm{m} / \mathrm{s}^{2}$ (d)$10 \mathrm{m} / \mathrm{s}^{2}$ (e)$1000 \mathrm{m} / \mathrm{s}^{2}$