Is the number 1,997 prime?
?
A. Prime
B. Not prime
Answer: A
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Perform the indicated operations. Write the answer using only positive exponents. Assume all variables represent positive real numbers.
A. y1/2
B. y
C. y9/8
D. 
Solve the system of equations using Cramer's Rule, if applicable.
A. ?
B. 
C. (0, 2)
D. {(x, y)|3x + y = 2}
Find i (the rate per period) and n (the number of periods) for the loan at the given annual rate.Quarterly Payments of $3000 are made for 4 years to repay a loan at 10.2% compounded quarterly.
A. i = 0.0255; n = 16 B. i = 0.0255; n = 4 C. i = 0.102; n = 16 D. i = 0.006375; n = 4
Solve the problem.Kayla, a photographer, can produce prints of her photos at a cost of $3 per print, with a setup cost of $35 per run. She sells the prints for $9 each. Write an equation for the profit. Let P represent the profit and x represent the number of photos produced. Graph the equation by hand. Use the graph to determine the the number of prints produced and sold to obtain a profit of $0. 
A. P = 6x + 35; 6 prints
B. P = 9x + 35; 4 prints
C. P = 9x - 35; 4 prints
D. P = 6x - 35; 6 prints