What is 45+99+90+100 translate this

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Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

How do i find the missing angle measure in a polygon

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?