9. A student wants to sign up for a swimming class that charges $5 an hour. His parents are willing to spend up to $100 for swimming lessons. Write and solve an inequality representing the possible number of hours he could take swimming lessons for.

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.