Multiply and simplify. Write the answer using positive exponents.7-3 ? 75
A. 492
B. 7-15
C. 72
D. 4915
Answer: C
Mathematics
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Decide if the set is finite.{x?x is an odd counting number}
A. Finite B. Infinite
Mathematics
Write the whole number in words.135,060
A. Thirteen thousand, five hundred six B. One million, thirty-five thousand, sixty C. One hundred thirty-five thousand, sixty D. Thirteen thousand, five hundred sixty
Mathematics
Find the amount of the sales tax or the tax rate and the total cost. Round money answers to the nearest cent.Cost of item: $280 Tax rate: 3%
A. $5.60, $285.60 B. $84.00, $364.00 C. $8.40, $288.40 D. $11.20, $291.20
Mathematics
Solve the equation by expressing each side as a power of the same base and then equating exponents. 4(7 - 3x) = 
A. {3}
B. {-3}
C. {4}
D. 
Mathematics