Solve the problem.Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 23 coins with a total face value of $3.75 how many of the coins are nickels?
A. 18 nickels
B. 12 nickels
C. 10 nickels
D. 13 nickels
Answer: C
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Use transformations to graph the function. Determine the domain, range, and horizontal asymptote of the function.f(x) = 5(x - 2)
A. domain: (-?, ?); range: (-?, 0)
horizontal asymptote: y = 0
B. domain: (-?, ?); range: (0, ?)
horizontal asymptote: y = 0
C. domain: (-?, ?); range: (-?, 0)
horizontal asymptote: y = 0
D. domain: (-?, ?); range: (0, ?)
horizontal asymptote: y = 0
Find the perimeter.
A. 46 cm B. 120 cm C. 45 cm D. 44 cm
Solve the problem.Walt made an extra $7000 last year from a part-time job. He invested part of the money at 10% and the rest at 9%. He made a total of $680 in interest. How much was invested at 9%?
A. $5000 B. $2000 C. $3500 D. $7000
What is 
rewritten using only one exponent?
?
A.
B.
C.
D.
E.
none of these