Subtract.5857

A. 641
B. 645
C. 5645
D. 621


Answer: B

Mathematics

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Solve the problem.The formula  can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 125 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?

A. 55 mph B. 60 mph C. 50 mph D. 45 mph

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Solve the problem.The table shows the population of a certain city in various years. The population of the city f(x), in hundreds of thousands, can be modeled by f(x) = axb, where x represents the number of years since 1980. Estimate the population of the city in the year 1994. (You will first need to use regression to estimate the values of a and b).

A. 877,042 B. 1,017,368 C. 982,287 D. 924,486

Mathematics

Graph.f(x) = 5x + 2

A.

B.

C.

D.

Mathematics

Solve the inequality and write the solution set in interval notation.- 14x ? 56

A. [-4, ?) B. [4, ?) C. (-?, 4] D. (-?, -4]

Mathematics