Solve the problem.Pennies are packaged 50 in a roll. A mother gave her son 191 pennies for his bank and had 9 pennies left over. How many rolls of pennies did she use?
A. 6 rolls
B. 7 rolls
C. 5 rolls
D. 4 rolls
Answer: D
Mathematics
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Perform the operation. Write the answer as a fraction in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Multiply.14.7 × 5.16
A. 7.5852 B. 75.852 C. 758.52 D. 0.75852
Mathematics
Provide the proper response.If f(x) ? 0 on the interval [a, b], then 
representsi) the area to the right of the y-axis between y = a and y = b.ii)the area above the x-axis between x = a and x = b.iii) the area below the x-axis between x = a and x = b.
A. Only i is correct. B. Either ii or iii could be correct. C. Only ii is correct. D. None of the above is correct.
Mathematics
Write an equation to describe the variation. Use k for the constant of proportionality.s varies directly as y7
A. y = ks7
B. y = 
C. s = ky7
D. s = 
Mathematics