Kelly sold 15 less than laura tia sold twice as many as kelly. all together they sold 83, how many did each girl sell

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute