You order 4 fish sandwiches and a hamburger the cost of the hamburger is $2.50your total bill is $14.30 find the cost of the fish sandwich

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

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?