Evaluate.(21 + 8) - (15 - 20)

A. 48
B. -48
C. 34
D. 6


Answer: C

Mathematics

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Convert the Egyptian numeral to Hindu-Arabic form.

A. 928,439 B. 1,000,439 C. 928,709 D. 928,412

Mathematics

Solve the problem.In year 0, the number of female athletes participating in Summer Olympic-Type Games was 450. In year 11, about 3550 participated in the Summer Olympics in Atlanta. Assuming that  and that the exponential model applies, find the value of k rounded to the hundredths place, and write the function.

A. k = 0.21; P(t) = 500e0.21t B. k = 0.17; P(t) = 500e0.17t C. k = 0.19; P(t) = 500e0.19t D. k = 0.19; P(t) = 500e0.29t

Mathematics

Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?

A. $1.00 B. $0.75 C. $1.75 D. $50

Mathematics

Solve the problem.Alan is building a garden shaped like a rectangle with a semicircle attached to one short side. If he has 40 feet of fencing to go around it, what dimensions will give him the maximum area in the garden?

A. width =  ? 5.6, length = 11.2
B. width =  ? 11.2, length = 5.6
C. width =  ? 11.2, length = 14.4
D. width =  ? 7.2, length = 10.8

Mathematics