Solve the problem. Round to the nearest tenth if necessary.Sales of frozen pizza for a club fund-raiser increased from 500 one year to 635 the next year. What was the percent of increase?
A. 73%
B. 27%
C. 78.7%
D. 21.3%
Answer: B
Mathematics
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Factor.x2 + 3x - 40
A. (x - 8)(x + 5) B. Prime C. (x - 8)(x + 1) D. (x + 8)(x - 5)
Mathematics
Write the linear system corresponding to the reduced augmented matrix.
A. x1 = -4, x2 = t + 6, x3 = t for any real number t B. No Solution C. x1 = 4, x2 = -t + 6, x3 = t for any real number t D. x1 = 4, x2 = t + 6, x3 = 0
Mathematics
Use a calculator to evaluate the expression. 
A. 6,957,522 B. 83,490,264 C. 417,451,320 D. 3,478,761
Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 1
C. 
D. 
Mathematics