Awasher and a dryer cost $942 combined. the washer costs $42 more than the dryer. what is the cost of the dryer?

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

What properties allow transformation to be used as a problem solving tool

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3