Solve the problem by using two equations with two variables.Jamil always throws loose change into a pencil holder on his desk and takes it out every two weeks. This time it is all nickels and dimes. There are 8 times as many dimes as nickels, and the value of the dimes is $7.50 more than the value of the nickels. How many nickels and dimes does Jamil have?
A. 11 nickels and 88 dimes
B. 9 nickels and 72 dimes
C. 10 nickels and 80 dimes
D. 80 nickels and 10 dimes
Answer: C
Mathematics
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Solve.A bacteria culture measures 112 millimeters at its widest point. How many centimeters wide is the culture?
A. 1120 cm B. 1.12 cm C. 11.2 cm D. 11,200 cm
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Find the mean. Round to the nearest tenth when necessary.The weights in pounds of the five books in Lynn's backpack are as follows: 2.5, 2.8, 3.1, 2.5, 1.6
A. Mean = 2.5 pounds B. Mean = 3 pounds C. Mean = 2.1 pounds D. Mean = 2 pounds
Mathematics
Graph.f(x) = - 
x
A. 
B. 
C. 
D. 
Mathematics