If a projectile (such as a bullet) is fired into the air with an initial velocity v at an angle of elevation ? (see the figure), then the height h of the projectile at time t is given by
?
?
?
Give the equation for the height, if v is 1,800 feet per second and ? is 30°. (Leave your answer in exact value form.)
What will be an ideal response?
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Use < or > for ? to write true sentence.
? 
A. > B. <
A squirrel in a tree drops an acorn.
How long does it take the acorn to fall 20 feet?
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(-7x2 + 2) - (-x3 + 3x2 + 8)
A. -6x3 + 3x2 - 6 B. -6x3 + 5x2 - 8 C. x3 - 10x2 - 6 D. x3 - 4x2 + 10
Solve the problem.A company that produces scientific calculators has two different manufacturing plants. The profit function for plant A when x calculators are manufactured and sold is 
The profit function for plant B when x calculators are manufactured and sold is 
For what number of calculators is the profit the same at both plants and what is the profit?
A. 0 calculators, $0 B. 300 calculators, $2000 C. 100 calculators, $1000 D. 200 calculators, $1500