Collect like terms and write in descending order.-9m7 + 5m7
A. -4m7
B. Can't be simplified
C. -4m14
D. -28m
Answer: A
Mathematics
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Find the indicated root or state that the expression is not a real number.
A. not a real number B. 5 C. -5 D. -25
Mathematics
Solve the problem.A pendulum is released and swings until it stops. If it passes through an arc of 35 inches the first pass, and if on each successive pass it travels 
the distance of the preceding pass, how far will it travel before stopping?
A. 210 in. B. 175 in. C. 140 in. D. 315 in.
Mathematics
Find the sum.78.405 + 10.6 + 6.167 + 40.49
A. 135.762 B. 136.662 C. 135.672 D. 135.662
Mathematics
Solve the equation.2(x - 3)(x - 5) = 0
A. {2, 3, 5} B. {0, 3, 5} C. {3, 5} D. {-5, -3}
Mathematics