Solve the equation.
= 1
A. {3}
B. ?
C. {-3}
D. {9}
Answer: A
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Evaluate the expression.(-3)2
A. 9 B. 6 C. -9 D. -6
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
?
h = -16t2 + vtsin ?
?
?
Give the equation for the height, if v is 1,600 feet per second and ? is 30°. (Leave your answer in exact value form.)
?
A. 
B. 
C. 
D. 
E. 
Solve the problem.The material for the bottom of a rectangular box costs $3 per square foot while the material for the sides and top costs $1 per square foot. Find the greatest capacity such a box can have if the total amount available for material is $12.
A. 3 ft3 B. 2 ft3 C. 1 ft3 D. 4 ft3
Find the given power. Write the answer in standard form.
4
A. 256i
B. 128 
+ 128 i
C. 128 + 128 i
D. 128 + 128 i 