Find the exact value. $\csc \frac{9 \pi}{4}$

Draw a graph of a real-life situation that is modeled by a discrete function. Explain why the function is discrete.

True/False: The statement myShape.move (10,20) moves myShape to the point (10,20).

Seven hikers are stranded at the edge of a cliff. They have determined that the most direct way out is to create a rope long enough to reach their companion in the trees below. The companion estimates the horizontal distance from the cliff to the trees to be about 90 feet and the angle from the safest high point in the tree-line up to the cliff to be between 30 and 40 degrees. c. What assumptions did you make?

On the average, each human has about six recessive alleles that would be lethal if expressed. Why do you think that human cultures have laws against marriage between close relatives?

Summarize how nerve impulses travel within the nervous system.

For each sine curve find the amplitude, period, phase, and horizontal shift. $y=100 \sin (5 t+\pi)$

An algorithm is like a a) newspaper b) venus flytrap c) drum d) recipe

Perform the indicated elementary row operation.

$$\left[\begin{array}{rrrr}{-5} & {2} & {-3} & {3} \\ {10} & {-3} & {1} & {-20} \\ {-1} & {3} & {1} & {8}\end{array}\right]$$

Add 2 times Row 1 to Row 2.

For the given functions f and g, find: $g \circ g$, $f(x)=x^{2} ; \quad g(x)=x^{2}+4$

Which feature of water explains why water has high surface tension? A. water diffuses into cells. B. water’s resistance to temperature changes. C. water is a polar molecule. D. water expands when it freezes.

A wire 10 cm long is cut into two pieces, one of length x and the other of length 10 - x. Each piece is bent into the shape of a square. Find the value of x that minimizes the total area of the two squares.

Find the exact value of each expression. $\tan ^{-1} 0$

Can the first- and third-quarter lunar phases be observed during daylight hours? Explain the reason for your answer.