Solve the equation. = 1

A. {3}
B. ?
C. {-3}
D. {9}


Answer: A

Mathematics

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Evaluate the expression.(-3)2

A. 9 B. 6 C. -9 D. -6

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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.

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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

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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 

Mathematics