4. if it costs $18 for 24 pounds of grapes, how much would 8 pounds cost? what is the unit rate?
cost
2.25
22.50
36
pound
course 2. chapter 2 proportional relationships

Germaine walks at the rate of 10 feet every five seconds while nolan walks at the rate of 15 feet every five seconds. if germaine has a head start of 25 feet, how many seconds will they be at the same spot?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Which expression is the factorization of x^2+10+21