Malinda purchased a picture frame at a craft store. She measured the frame and found it was 9 inches wide and 12 inches long. What is the length of a diagonal of this frame in inches?
PLEASE HELP.

3(10x-y)-5(x-y^2) need this solved asap

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?