Solve the equation. Round to the nearest tenth, if necessary.A rock falls from a tower that is 336 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 4.6 sec
B. 7056 sec
C. 17.9 sec
D. 18.3 sec
Answer: A
Mathematics
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Solve.x2 - 6x + 9 = 4
A. 2, -2 B. 7 C. 1, -5 D. 5, 1
Mathematics
Solve the equation.
= -16
A. No solution
B. -16
C. 
D. 16
Mathematics
Perform the indicated operations.7 - (-15 - [-11 - (-11 + 7)])
A. 51 B. 15 C. 37 D. 29
Mathematics
Write the expression in the standard form a + bi.(-
+ i)6
A. 64 - 64
i
B. -64
C. -64
+ 64i
D. 64i
Mathematics