Find the unit rate. $7.96 for 4 pounds

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)