Multiply.

A. 1384
B. 1404
C. 1394
D. 1494


Answer: C

Mathematics

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Find the length of the parametric curve defined over the given interval.x = 5 sin t - 5t cos t, y = 5cos t + 5t sin t, 0 ? t ? 

A. ?2
B. ?2
C. ?
D. ?2

Mathematics

Factor:

Mathematics

Use long division to determine whether the binomial is a factor of f(x).f(x) = x4 - x3  - 3x2 + 4x + 7; x + 2

A. Yes B. No

Mathematics

Refer to right triangle ABC with .

?
?
?
If  and  yd, find a.
?
Round the answer to the nearest hundredth.
?

A. 8.79 yd
B. 8.85 yd
C. 8.81 yd
D. 8.75 yd
E. 8.77 yd

Mathematics