Evaluate the sum.

A. 80
B. 84
C. 68
D. 72


Answer: D

Mathematics

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Convert 80 ounces to pounds. 

A. 20 B. 30 C. 5 D. 10 E. 60

Mathematics

Zinc Corporation is developing its cash budget for this month. Each month, the firm manufactures and sells $15,000 of products, and it pays $10,000 for wages, taxes, cost of goods sold, and other operating expenses. Zinc has nothing in its checking account even though its target cash balance is $8,000. What amount will Zinc show on the "bottom line" of its cash budget for this month? That is, what will be Zinc's cash position?

A. Zinc has surplus cash of $8,000. B. Zinc has a cash shortfall of $3,000. C. Zinc has surplus cash of $6,000. D. Zinc has a cash shortfall of $23,000. E. Zinc has surplus cash of $20,000.

Mathematics

Factor using the formula for the sum or difference of two cubes.x3 + 64

A. (x - 4)(x2 + 4x + 16) B. (x + 4)(x2 + 16) C. (x + 4)(x2 - 4x + 16) D. prime

Mathematics

Add or subtract as indicated. Express the answer as a single polynomial in standard form.(3x4 - 4x3) + (8x4 - 3x3)

A. 4x7 B. 4x14 C. 11x4 - 7x3 D. 11x8 - 7x6

Mathematics