Solve the problem.If $4000 earned simple interest of $149.33 in 7 months, what was the simple interest rate?

A. 5.4%
B. 8.4%
C. 6.4%
D. 7.4%


Answer: C

Mathematics

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Solve the equation.42n2 + 30n = 0

A. n = -  
B. n = 0
C. n = - , 30
D. n = - , 0

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Approximate the value using a calculator. Express answer rounded to three decimal places.e-2.7

A. -7.339 B. -0.067 C. 0.367 D. 0.067

Mathematics

Find the indicated sum. 

A.
B.
C.
D.

Mathematics

Find the GCF.120, 280

A. 8 B. 40 C. 5 D. 20

Mathematics