Translate the indicated expression.Diana has thirteen coins in her change purse that are all either dimes or quarters. If d represents the number of dimes she has, then write an expression in terms of d that describes the number of quarters.
A. d + 13
B. 13 ÷ d
C. d - 13
D. 13 - d
Answer: D
Mathematics
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Solve.In a biology class, the following test scores were recorded for a student: 85, 77, 73, 73, 85, 87. Find the mean, median, and mode for the data.
A. mean: 81, median: 80, mode: 85 B. mean: 81, median: 81, mode: 73 C. mean: 80, median: 81, mode: 73 and 85 D. mean: 80, median: 73, mode: 87
Mathematics
Solve the problem.Tony bought some stock for $680. If each share had cost $6 less he could have bought 3 more shares for the same $680. How many shares of stock did he buy?
A. 12 shares B. 14 shares C. 19 shares D. 17 shares
Mathematics
Evaluate the integral.
Mathematics
Factor the polynomial by substitution.48z6 + 52z4 + 12z2
A. 4(3z4 + 1)(4z2 + 3) B. (12z3 + 4)(4z3 + 3) C. 4z2(4z2 - 3)(3z2 - 1) D. 4z2(3z2 + 1)(4z2 + 3)
Mathematics