Write the decimal as a percent.Mario saved 0.8 of what he earned over the summer.
A. 0.8%
B. 0.08%
C. 800%
D. 80%
Answer: D
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Solve the problem.A manufacturer's cost is given by C = 500
+ 1100, where C is the cost and n is the number of parts produced. Find the cost when 216 parts are produced.
A. $2600 B. $4100 C. $8450 D. $83
Answer the question.What does the digit 7 mean in the number 189,247?
A. 7 tens B. 7 ones C. 7 hundreds D. 7 thousands
Multiply. Write the answer in descending order and combine like terms.(x + 2)2
A. x + 4 B. 4x2 + 4x + 4 C. x2 + 4 D. x2 + 4x + 4
Solve the problem.A company's cost for operating two warehouses is C(x, y) = 6xy2 + 12x2y + 4y dollars, where x is number of units in warehouse A and y is the number in B. Find the average cost to store a unit if A has 3 to 5 units, and B has 1 to 2 units.
A. $718 B. $356 C. $359 D. $712