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20 pts:

which of the following completes the proof? (6 points)

by the midpoint formula

by definition of congruence

given

by construction

Will give brainliest what is the value of x? enter your answer in the box.

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Solve the given system of equations. 2y= -x+9 , 3x-6= -15