Factor the expression. Express your answer so that only positive exponents occur. 9x1/7 - 7x-5/7
A. x1/3(9 - 7x6/7)
B. x-5/7(9x6/7 - 7)
C. x1/7(9x6/7 - 7x6/7)
D. x-5/7(9x6/7 - 7x)
Answer: B
Mathematics
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Determine whether the growth (or decay) is linear or exponential, and answer the associated question.The population of Oak Forest is increasing at a rate of 4% per year. If the population is 87,224 today, what will it be in three years?
A. Linear; 112,224 people B. Linear; 272,139 people C. Exponential; 90,760 people D. Exponential; 98,115 people
Mathematics
Multiply and write answer in lowest terms.1
× 13
A. 21
B. 25
C. 24
D. 13
Mathematics
Divide.- 
÷ 4
A. - 
B. - 
C. -3
D. 
Mathematics
If you add six to twice a number, the result is sixteen. What is the number? ?
A. 10 B. 5 C. 8 D. 13 E. 2
Mathematics