Solve the problem.Sales of frozen pizza for a club fund-raiser increased from 500 one year to 540 the next year. What was the percent of the increase?
A. 7.4%
B. 8%
C. 92%
D. 92.6%
Answer: B
Mathematics
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Solve each of the following systems of equations. If the system is inconsistent or dependent, say so.-x + 3y = 152x - 3y = -18
A. (-3, 4) B. (-2, -3) C. (3, 3) D. No solution
Mathematics
Find the most general antiderivative.
dx
A. -6 cot x + C
B. 6 cot x + C
C. -6 tan x + C
D. 
+ C
Mathematics
Find the exact value of the expression in degrees without using a calculator or table.arctan 
A. -135° B. 45° C. 225° D. -45°
Mathematics
Find the nth, or general, term.x, 1, 
, . . .
A. 
2-n
B. xn-1
C. x2-n
D. xn
Mathematics