Matt can buy an 8-ounce jar of salsa for 2.79 or a 15 ounce jar of salsa for 5.54. which jar has the best unit rate

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer