Describe how your muscles work to help you kick a ball.

Do the ratios in each pair form a proportion? 3.5/35, 2.04/204

A plant’s response to gravity is an example of a a.Dormancy b.Hormone c.Tropism d.Critical night length

Find the derivative of each function. $f(x)=\tanh x^{2}$

The most complex nervous systems have a nerve cord and a _____.

Mrs. Nelson has a rectangular flower box that is 5 feet long and 2 feet tall. She wants the width of the box to be no more than 5 feet. If the width is a whole number, what are the possible volumes for the flower box?

What health problems are caused by air pollution?

A multiple-choice test is given with 5 choices (only one is correct) for each of 5 questions. Answering each of the 5 questions by guessing constitutes a binomial experiment with an associated binomial distribution. For this distribution, (A) Write the probability function. (B) Construct a table. (C) Draw a histogram. (D) Compute the mean and standard deviation.

Suppose that a dot diagram has $k$ columns and $m$ rows with $p_{j}$ dots in column $j$ and $r_{i}$ dots in row $i .$ Prove the following results. $\\$ (a)$m=p_{1}$and$k=r_{1}$(b)$p_{j}=\max \left\{i : r_{i} \geq j\right\}$for$1 \leq j \leq k$and$r_{i}=\max \left\{j : p_{j} \geq i\right\}1 \leq i \leq m .$(c)$r_{1} \geq r_{2} \geq \cdots \geq r_{m}$ (d) Deduce that the number of dots in each column of a dot diagram is completely determined by the number of dots in the rows.

Fill in each blank so that the resulting statement is true. The volume, V, of a sphere of radius r is given by the formula ____.

Give a reason for your answer in each. Assume that all variables represent integers. If n=4k+3, does 8 divide

$$n^2$$

-1?

Which describes a ridge of sand that connects an island to the mainland or another island? a. baymouth bar b. sea arch c. sea stack d. tombolo

Find the derivative of the given function. $f(x)=\sin x^{2}$

Sketch the following by finding the level curves. Verify the graph using technology. $f ( x , y ) = 2 - \sqrt { x ^ { 2 } + y ^ { 2 } }$