Solve the problem.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 (in tenths) will it take for the rock to hit the ground (h = 0)?

A. 18.3 sec
B. 7056 sec
C. 4.6 sec
D. 17.9 sec


Answer: C

Mathematics

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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.6 - 30 + 150 - 750 + ... + (-1)n-1 6 ? 5n-1 + ...

A. 1
B. ; series diverges
C.
D. ; series diverges

Mathematics

Simplify the expression. Assume all variables represent positive real numbers.3 + 

A. 7
B. 3 + 
C. 4
D. 12

Mathematics

Write the indicated term of the binomial expansion.(x + 2y)12; 4th term

A. 1760x9y3 B. 1760x3y9 C. 880x9y4 D. 880x3y9

Mathematics

Add. 

A. 3,058,613 B. 3,059,613 C. 3,058,603 D. 2,958,613

Mathematics