Solve the problem.The maximum distance d in kilometers that you can see from a height h in meters is given by the formula   How far can you see from the top of a  building? (Round to the nearest tenth of a kilometer.)

A. 71 km
B. 20.3 km
C. 768.9 km
D. 37.9 km


Answer: A

Mathematics

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Solve using the problem-solving strategy for systems of linear equations.Jarod is having a problem with rabbits getting into his vegetable garden, so he decides to fence it in. The length of the garden is 12 feet more than 4 times the width. He needs 74 feet of fencing to do the job. Find the length and width of the garden.

A. length: 36 ft; width: 6 ft
B. length: 61 ft; width: 12 ft
C. length: 28 ft; width: 4 ft
D. length: 32 ft; width: 5 ft

Mathematics

Solve the problem.Horace's mean average on five exams is 83.4. Find the sum of his scores.

A. 417 B. 445 C. 347 D. 432

Mathematics

Find the following. Assume that letters can represent any real number.

A. Not a real number
B. 4
C. 2x
D. 2

Mathematics

Find all numbers for which the rational expression is not defined.

A. None B. a = -3 C. a = 3 D. a = 0

Mathematics