Solve the problem.Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 15 coins with a total face value of $2.35, how many of the coins are nickels?
A. 13 nickels
B. 8 nickels
C. 9 nickels
D. 7 nickels
Answer: D
Mathematics
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Simplify.
A. -y
B. 
C. 
D. 
Mathematics
Write the mixed number as an improper fraction.-9
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the specified domain.For f(x) = 2x - 5 and g(x) = 
, what is the domain of (f + g)?
A. [-10, ?) B. [0, ?) C. [10, ?) D. (-10, 10)
Mathematics
Use the discriminant to determine whether the solutions for the equation are two rational numbers, one rational number, two irrational numbers, or two nonreal complex numbers. Do not actually solve.7 + 4z2 = 3z
A. one rational number B. two rational numbers C. two irrational numbers D. two nonreal complex numbers
Mathematics