Solve.The height h in feet of a golf ball after t seconds is given by  How long did it take for the ball to hit the ground?

A. 80 sec
B. 6 sec
C. 48 sec
D. 3 sec


Answer: B

Mathematics

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Change  to a percent.

A. 66%
B. 1.5%
C. %
D. 6.66%

Mathematics

Use DeMoivre's Theorem to write the expression in rectangular form.4

A. -  - i
B. -  + i
C. -  + i
D. -  - i

Mathematics

Find the product.(3r + 2t)4

A. 81r4 + 216r3t + 216r2t2 + 96rt3 + 16t4 B. 81r4 + 3r3t + 216r2t2 + 216rt3 + 16t4 C. 81r4 + 81r3t + 216r2t2 + 216rt3 + 16t4 D. 81r4 + 216r3t + 216r2t2 + 216rt3 + 16t4

Mathematics

Factor the trinomial, if possible.10m2 + 37mn + 30n2

A. (2m + 5n2)(5m + 6) B. (2m + 5n)(5m + 6n) C. (2m - 5n)(5m - 6n) D. (2m + 6n)(5m + 5n)

Mathematics