If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
-2/3
A. -
B.
C.
D. Not a real number
Answer: C
Mathematics
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Determine the sign of the trigonometric function.cos 345°
A. Negative B. Positive
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Simplify using the quotient rule.
A. b4 B. b3 - b C. b2 D. 3
Mathematics
Factor completely. If the polynomial is prime, say so.25m2 - 35m + 6
A. (5m - 6)(5m + 1) B. (5m + 6)(5m - 1) C. (5m - 1)(5m - 6) D. (5m - 6)(5m - 1)
Mathematics
Use the quadratic formula to solve the equation. (All solutions are real numbers.)a2 + 14a + 40 = 0
A.
B. {-10, -4}
C. {-20, -8}
D. {4, 10}
Mathematics