Solve.A rock falls from a tower that is 208 ft 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)? Round to the nearest tenth.

A. 3.6 sec
B. 2704 sec
C. 14.4 sec
D. 13 sec


Answer: A

Mathematics

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Multiply and write the answer in lowest terms. ? 

A.
B.
C.
D. 1

Mathematics

The given pair of triangles is similar. Find the missing length.

A. x = 9 B. x = 5 C. x = 12 D. x = 3

Mathematics

Solve.13 -  = 2

A. -8, 18 B. -8, -4 C. -4, 18 D. -22, 8

Mathematics

Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.f(x) = -6x2 - 6x3 + x4

A. Cubic; - 6x3; -6; 3 B. Quartic; x4; 0; 4 C. Quartic; x4; 1; 4 D. Quadratic; -6x2; -6; 2

Mathematics