How might the segmented bodies of arthropods help them survive?

use a double-angle formula to rewrite the expression. 10 sin^2 x - 5

Identify the primary function for the body covering of terrestrial animals.

Write an example of a cubic trinomial.

Incomplete Lewis structures for the nitrous acid molecule,

$$HNO_2$$

and the nitrite ion,

$$NO_2^-$$

are shown here. Would either

$$HNO_2$$

or

$$NO_2^-$$

be expected to exhibit resonance?

$$\mathrm { H } - \mathrm { O } - \mathrm { N } = \mathrm { O } \quad \mathrm { O } - \mathrm { N } = \mathrm { O }$$

Compare the nervous systems of vertebrates and invertebrates.

Write an equation for an ellipse that satisfies each set of conditions. center at (3, -4), vertex at (8, -4), co-vertex at (3, -2)

What are the six basic graphs? Sketch each graph.

Find all solutions to 2 sin (x) cos (x) + cos (x) = 0 . Give your answers in degrees or radians.

How can you tell what quadrant a point is in just by looking at its coordinates?

How are the products 2.1 x 3.2 and 21 x 32 alike? How are they different?

What is a promoter?

On a separate sheet of paper draw each figure. Then answer each question. Draw point C so that it is not on line AB. a. How many lines can contain all three points? _____ b. How many planes can contain all three points? _____ c. How many planes can pass through line AB? _____

Evaluate the following integrals: $\int_{0}^{1} \mathbf{r}(t) d t$, where $\mathbf{r}(t)=\left\langle\sqrt[3]{t}, \frac{1}{t+1}, e^{-t}\right\rangle$