Parker throws a ball off the top of a building. The building is 350 feet high and the initial velocity of the ball is 30 feet per second. Find out how long it will take the ball to hit the ground by solving the equation

$$- 16 t ^ { 2 } - 30 t + 350 = 0$$

If

$$c(x)=3x^3+5x^2-4$$

what is the value of 4c(3b)?

What is energy? What is work? List some examples of each.

In testing for carbon monoxide in a certain brand of cigarette, the data, in milligrams per cigarette, were coded by subtracting 12 from each observation. Find the standard deviation for the carbon monoxide content of a random sample of 15 cigarettes of this brand if the coded measurements are 3.8, −0.9, 5.4, 4.5, 5.2, 5.6, 2.7, −0.1, −0.3, −1.7, 5.7, 3.3, 4.4, −0.5, and 1.9.

The pH of a chemical solution is given by the formula $\mathrm{pH}=-\log _{10}\left[\mathrm{H}^{+}\right]$ where $[\mathrm{H}^{+}]$ is the concentration of hydrogen ions in moles per liter. Values of pH range from 0 (acidic) to 14 (alkaline). What is the pH of a solution for which $\left[\mathrm{H}^{+}\right]$ is 0.001?

Find an explicit formula for the arithmetic sequence of 12,5,-2,-9

Read the store’s ad. Then answer the following questions in complete sentences:

1. ¿Qué ropa venden en la tienda?
2. ¿Cuánto cuestan las chaquetas?
3. ¿Por qué la tienda no tiene pantalones cortos?

What are the negative singular command forms of the following verbs?
-escuchar -comer -dormir -tomar -hablar -beber -salir -jugar

On a separate sheet of paper, explain the following term by using it correctly in a sentence. confederation

If f is a one-to-one function and $f(3)=8,$ then $f^{-1}(8)=$ _____.

Find the real solutions of each equation by factoring. $x^{4}-x^{2}=0$

Gulig and Doherty, a law firm, started 2012 with accounts receivable of $26,000 and an allowance for uncollectible accounts of$2,000. The 2012 service revenues on account totaled $183,000, and cash collections on account totaled$133,000. During 2012, Gulig and Doherty wrote off uncollectible accounts receivable of $2,500. At December 31, 2012, the aging of accounts receivable indicated that Gulig and Doherty will not collect$1,790 of its accounts receivable. Journalize Gulig and Doherty’s (a) service revenue, (b) cash collections on account, (c) write-offs of uncollectible receivables, and (d) uncollectible-account expense for the year. Explanations are not required. Prepare a T-account for Allowance for Uncollectible Accounts to show your computation of uncollectible-account expense for the year.

Do you think First Amendment rights should ever be restricted? In what kinds of situations should this occur?

A softball is thrown from the origin of an x-y coordinate system with an initial speed of 18 m/ sat an angle of $35^{\circ}$ above the horizontal. (a) Find the x and y positions of the softball at the times t = 0.50 s, 1.0 s, 1.5 s, and 2.0 s. (b) Plot the results from part (a) on an x-y coordinate system, and sketch the parabolic curve that passes through them.