Solve the logarithmic equation.log7x = -2
A. 
B. 49
C. 128
D. 
Answer: A
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Translate the English sentence into a mathematical sentence and solve.Six less than some number is -8.
A. 6 - x = -8; 14 B. -8 - x = 6; -14 C. x - 6 = -8; -2 D. x + 6 = -8; -14
Solve.The supplement of an angle measures 41° more than twice its complement. Find the measure of the angle.
A. 8° B. 41° C. 98° D. 82°
Solve the problem.A life insurance company uses the following rate table for annual premiums for women for term life insurance. Use a graphing utility to fit an exponential function to the data. Predict the annual premium for a woman aged 70 years.
A. y = -9306.4 + 2516.3 ln (x), $1723 B. y = 0.0000398x4.06, $1233 C. y = 6.367e0.068x, $743 D. y = 8.94e0.068x, $1044
Use the given information to find the exact value.sin B = - 
, 
< B < 2?; sin C = 
, 
< C < ?
Find cos (B + C).
A. 
B. 
C. 
D. - 