The function  represents the value of the U.S. dollar in Indian rupees as a function of time t in days.Find the average rates of change of over the time intervals

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?



A. 29

B. 25

C. 27

D. 28

E. 30

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Answer: D

Mathematics

Solve the problem. Use 3.14 for ?.The shape of a patio is trapezoidal with a height of 12 feet and bases of 14 feet and 8 feet. What is the area of the patio? Round results to the nearest unit.

A. 132 ft2 B. 11 ft2 C. 672 ft2 D. 264 ft2

Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). Determine the winner using the plurality method and if the winner received a majority of first place votes.

A. Clark; Yes B. Jones; No C. Clark; No D. Smith; Yes

Solve the problem.A piece of cheese weighing  pound is to be divided into 6 equal portions. What will be the weight of each portion?

A.  pound
B.  pound(s)
C. 15 pounds
D. 2 pound(s)

Solve using a system of three linear equations.A deli sells three sizes of chicken sandwiches: the small chicken sandwich contains 4 ounces of meat and sells for $2.50; the regular chicken sandwich contains 9 ounces of meat and sells for $3.00; and the large chicken sandwich contains 12 ounces of meat and sells for $3.50. A customer requests a selection of each size for a reception. She and the manager agree on a combination of 50 sandwiches made from 25 pounds 8 ounces of chicken for a total cost of $147. How many of each size sandwich will be in this combination? (Note: 1 pound = 16 ounces)

A. 18 small sandwiches, 22 medium sandwiches, 10 large sandwiches. B. 20 small sandwiches, 16 medium sandwiches, 14 large sandwiches. C. 16 small sandwiches, 12 medium sandwiches, 22 large sandwiches. D. 22 small sandwiches, 10 medium sandwiches, 18 large sandwiches.