Solve the problem.Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 18 coins with a total face value of $2.50, how many of the coins are nickels?
A. 10 nickels
B. 13 nickels
C. 12 nickels
D. 8 nickels
Answer: A
Mathematics
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Solve the problem.Each gallon of shingle stain covers 120 square feet. How many gallons are needed to cover 360 square feet?
A. 1 gal B. 2 gal C. 3 gal D. 4 gal
Mathematics
Evaluate the expression.
A. 330 B. 120 C. 1320 D. 30
Mathematics
Simplify using scientific notation. Give your answer in scientific notation.(0.00000016)(1,000,000,000,000)
A. 1.6 × 106 B. 1.6 × 10-7 C. 1.6 × 105 D. 1.6 × 1012
Mathematics
Find the axis of symmetry of the given function.y = 3x2 + 6x - 2
A. x = -1 B. x = 5 C. x = 1 D. x = -5
Mathematics