Use the properties of the trigonometric functions to find the exact value of the expression. Do not use a calculator.tan 40° - 
A. 0
B. 40
C. 1
D. undefined
Answer: A
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Factor completely.b2 - 24b + 144
A. (b + 12)(b - 12) B. (b - 12)2 C. (b + 12)2 D. Prime
A polynomial P(x) and a divisor d(x) are given. Use long division to find the quotient Q(x) and the remainder R(x) when P(x) is divided by d(x), and express P(x) in the form d(x)? Q(x) + R(x).P(x) = 2x3 + x2 - 2x + 2d(x) = x + 2
A. (x + 2)(2x2 - 3x - 4) - 6 B. (x + 2)(2x2 + 5x + 4) + 6 C. (x + 2)(2x2 - 3x + 4) + 6 D. (x + 2)(2x2 - 3x + 4) - 6
Give the focus, directrix, and axis for the parabola.(y - 6)2 = -12(x + 2)
A. (-5, 6), x = 1, y = -2 B. (-5, 3), x = 1, y = 6 C. (-5, 6), x = -2, y = 6 D. (-5, 6), x = 1, y = 6
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7