Which of these is an example of driving at an average rate of 20 miles per hour?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Find the missing dimension! need asap! tiny square is a =3025 in ²

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.