Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Provide an appropriate response. Is the statement true or false?5t2 + 2t2 = 7t2
A. True B. False
Mathematics
One zero is given. Find all others.P(x) = 3x3 + 12x2 + 11x - 2; -2
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Find all zeros of the function f(x) = (x - 4)(x + 3)[x + (4 + 3i)][x- (4 - 3i)].
A. x = 4, -3, -4 - 3i, 4 - 3i B. x = -4, 3, 4 - 3i, 4 + 3i C. x = -4, 3, 4 + 3i, -4 - 3i D. x = 4, -3, 4 + 3i, -4 + 3i E. x = 4, -3, -4 - 3i, 4 + 3i
Mathematics
Solve the problem.A 2100-lb car travelling uphill has a grade resistance of 
Use a tangent function to estimate the angle of the grade. Give your answer to the nearest tenth of a degree.
A. -8.2° B. -4.1° C. 8.2° D. 4.1°
Mathematics