Find the product. (The expression is not a polynomial, but the formula can still be used.)
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Find the length of the curve.x = 4 cos t, y = 4 sin t, 0 ? t ? ?
A. 4? B. 16? C. ? D. 8?
Mathematics
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-2
+ 2i
A. 4(cos 45° + i sin 45°) B. 4(cos(-135°) + i sin(-135°)) C. 4(cos(-45°) + i sin(-45°)) D. 4(cos 135° + i sin 135°)
Mathematics
Factor the trinomial completely.-p2 + 13p - 40
A. -(p + 5)(p + 8) B. -(p - 5)(p - 8) C. -(p - 5)(p + 8) D. Prime
Mathematics
Find the measure of the indicated angle.Two angles of a triangle are 16° and 35°. Find the third angle.
A. 39° B. 129° C. 309° D. 51°
Mathematics