Find the prime factorization of the number.198
A. 2 ? 3 ? 11
B. 2 ? 3 ? 3 ? 11
C. 22 ? 3 ? 3
D. 2 ? 2 ? 3 ? 3 ? 11
Answer: B
Mathematics
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Solve for the indicated variable.I = Prt, for r (simple interest)
A. r = 
B. r = 
C. r = P - tI
D. r = 
Mathematics
Multiply.-3q7(-6q3 + 2)
A. 18q10 + 2 B. 18q3 - 6 C. 12q7 D. 18q10 - 6q7
Mathematics
Factor by grouping.xy + 6x + 5y + 30
A. (x + 5)(y - 6) B. (x - 6)(y + 5) C. (x - 6)(y - 5) D. (x + 5)(y + 6)
Mathematics
Solve the problem.The graph below shows the average retail price of the least-expensive DVD player available at Mega Mart over the past few years. Use the two points whose coordinates are given to find the slope-intercept form of an equation that models the data. Average Retail Price of Least Expensive DVD Player
A. y = -25x + 169 B. y = -25x + 195 C. y = -25x + 194 D. y = -20x + 194
Mathematics