Solve the problem.In a certain location, the highest temperature recorded was 101°F. The lowest temperature recorded was 125 degrees less than the highest. What was the lowest temperature?

A. -138°F
B. 0°F
C. -24°F
D. 24°F


Answer: C

Mathematics

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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are isosceles right triangles with one leg on the base of the solid.

A. ?
B. 2?
C. ?
D. ?

Mathematics

Perform the operations.

A. 0.00496 B. 0.496 C. 49.6 D. 0.0496

Mathematics

Provide an appropriate response.The sales manager of a department store finds that its daily sales begins to fall after the end of a promotional campaign. The sales in dollars as a function of the number of days after the campaign's end is given by S(d) = 36,000 -0.1d. If she does not want sales to drop below 30,000 per day before starting a new campaign, when should she start a new campaign?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship , where S(x) represents the number of sales in year x, with  corresponding to 2010. In what year would the sales be 4320?

A. 2021 B. 2019 C. 2020 D. 2018

Mathematics