Solve the problems.Sales of frozen pizza for a club fund-raiser increased from 500 one year to 555 the next year. What was the percent of increase?
A. 89%
B. 90.1%
C. 9.9%
D. 11%
Answer: D
Mathematics
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Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ?
B. 
C. 
D. infinitely many solutions; {
2x + y = 6} or {
2x + y = 5}
Mathematics
Evaluate the integral.
A. 7 B. 315 C. 28 D. 1260
Mathematics
Write the fraction in simplest form using the method of your choice.
A. 12 B. 3k C. 3k2 D. 12k2
Mathematics