Multiply. Simplify, if possible.-(5a)
A. 5a
B. 5 - a
C. -5a
D. 5
Answer: C
Mathematics
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Solve the problem.Find the measure of an angle, if its supplement measures 70° more than twice its complement.
A. 80° B. 140° C. 20° D. 70°
Mathematics
Solve the inequality. Give the solution set in both interval and graph forms.- 0.4z > - 0.24
A. (- 0.6, ?)
B. (-?, - 0.6)
C. (-?, 0.6)
D. (0.6, ?)
Mathematics
Answer the question.To complete the square of 
, is it ever a good idea to divide by the coefficient of x2?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the logarithmic equation symbolically.230 + 10 log x = 180
A. No solution B. x = -50 C. x = -105 D. x = 10-5
Mathematics