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Two cars pass on a straight highway while traveling in opposite directions. One car is traveling 6 miles per hour faster than the other car. After 2.5 hours the two cars are 275 miles apart. Find the speed of each car.

A farmer wants to fence off a rectangular pen using part of an existing brick wall for one of the sides. He has 120 feet of fencing which he can use for this purpose and he wants to enclose as large an area as possible.

Explain, why in a real machine the output work is always less than the input work.

2. 16, 48 Factors of 16: Factors of 48: Common factors: GCF: I need the answers

Find the volume of a right circular cone that has a height of 9.5 m and a base with a circumference of 10 m. Round your answer to the nearest tenth of a cubic meter.

Function notation (2)

Is (2, 5) a solution to this system of equations? x + 2y = 12 2x + 2y = 14 yes or no

Given the system of linear equations. Choose all of the options that could be used to solve the system using addition x + y = 7 2x + y= Multiply the first equation by - 1 and add the equations together.

A father is 60 years old and his son is half his age. how old was the boy when his father was four times his age?