Why are detergents better than soaps for laundering?

The bean sprouts available at the grocery store are white or colorless, not green. Why?

The reciprocal of a whole number is a fraction with __________ in the numerator.

What steps do you need to take to solve the equation $\frac{1}{2} x+6=18$?

(A) Add 6. Then multiply by 2.

(B) Subtract 6. Then divide by 2.

(C) Add 6. Then divide by 2.

(D) Subtract 6. Then multiply by 2.

A Mach number $M$ indicates the speed of a supersonic airplane. You can find an airplane's speed $a$ in miles per hour using the formula $a=M s$ where $s$ is the speed of sound at the altitude of the airplane. Find an airplane's speed in miles per hour if the airplane travels at Mach $2.5$ at an altitude where the speed of sound is $710 \mathrm{mi} / \mathrm{h}$. A. $177.5 \mathrm{mi} / \mathrm{h}$ B. $284 \mathrm{mi} / \mathrm{h}$ C. $1775 \mathrm{mi} / \mathrm{h}$ D. $2840 \mathrm{mi} / \mathrm{h}$

Graph each function. Based on the graph, state the domain and the range and find any intercepts.

$$f(x)=\left\{\begin{array}{ll}{-\ln x} & {\text { if } 0<x<1} \\ {\ln x} & {\text { if } x \geq 1}\end{array}\right.$$

Directors are expected to use their best judgment in managing the corporation. What must directors do to avoid liability for honest mistakes of judgment and poor business decisions?

According to the Christian Science Monitor, 80 percent of egg cartons are imprinted with the logo "Animal Care Certified.."27 This designation means that the United Egg Producers, the egg industry's trade group, has certified egg producers according to internal guidelines.

What do you think the typical consumer interprets "Animal Care Certified" to mean?

The chemical factors that determine traits are called

a. chromosomes.

b. genes.

c. traits.

d. characters.

Examine the shape of the horizon at the Apollo 17 landing site. What processes shape mountains on Earth that have not affected mountains on the Moon?

Graph each function. Based on the graph, state the domain and the range and find any intercepts.

$$f(x)=\left\{\begin{array}{ll}{\ln (-x)} & {\text { if } x \leq-1} \\ {-\ln (-x)} & {\text { if }-1<x<0}\end{array}\right.$$

Evaluate the given integral by changing to polar coordinates.

$\iint_R y d A$, where $R$ is the region in the first quadrant bounded by the circle $x^2+y^2=9$ and the lines $y=x$ and $y=0$

Predict the number of vertices and faces on each closo-borane. a. $\mathrm{B}_{4} \mathrm{H}_{4}^{2-}$ b. $\mathrm{B}_{9} \mathrm{H}_{9}^{2-}$

What type of scientist studies the biosphere?