Evaluate the expression.-3-4

A. -81
B.
C. - 
D. 81


Answer: C

Mathematics

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Construct a truth table for the statement.(p ? q) ? (~p ? q)

A.

TTT
TFF
FTT
FFF

B.
TTF
TFT
FTF
FFF

C.
TTT
TFT
FTT
FFT

D.
TTT
TFF
FTT
FFT

Mathematics

Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 13 terms of the geometric sequence: 5, -10, 20, -40, 80, . . . .

A. 13,649 B. 13,655 C. 13,653 D. 13,662

Mathematics

Solve the problem.Each ounce of a sweetened yogurt contains 35 calories, while each ounce of a "light" version of the same yogurt contains 8 calories. Write a formula that gives the number of calories C in x ounces of sweetened yogurt. Write a formula that gives the number of calories C in y ounces of "light" yogurt. If a person eats a 4-ounce container of "light" yogurt rather than a 4-ounce container of sweetened yogurt, what is the calorie difference?

A. C = 35x; C = 8y; 108 B. C = 35 + x; C = 8 + y; 172 C. C = 35 ÷ x; C = 8 ÷ y; 43 D. C = 35x; C = 8y; 216

Mathematics

Convert using dimensional analysis. feet to inches

A. 22.5 in. B. 91.5 in. C. 90 in. D. 84 in.

Mathematics