3x - 4y = -7 and 4x + 3y = 24 solve for x and y

Simplify the expression 10/11(22z) + (a+5) -1

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

Match the one-to-one functions with their inverse functions.