Evaluate the expression. Write your answer without exponents.
A. -49
B. 343
C. 49
D. -343
Answer: D
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If a projectile is fired with an initial speed of  figure 1.png)
ft/s at an angle ? above the horizontal, then its position after t seconds is given by the parametric equations x =( figure 1.png)
cos?)t and y = ( figure 1.png)
sin?)t-16 where x and y are measured in feet.
Suppose a gun fires a bullet into the air with an initial speed of 1024 ft/s at an angle of 30° to the horizontal. After how many seconds will the bullet hit the ground? (a) 36 s (b) 64 s (c) 16 s (e) none of these
Find the area of the rectangle or square.
16 cm
A. 64 square centimeters B. 256 square centimeters C. 512 square centimeters D. 251 square centimeters
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = -2x2 + 3x + 7
A. Minimum: -5
B. Maximum: 
C. Maximum: 
D. Maximum: 0
Graph the linear equation.x = -7
A. 
B. 
C. 
D. 