Solve the system by adding or subtracting
-3x-3y=9
3x+8y=6

Will mark brainliest question in the pic.

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.!

Factor and solve to find roots x squared -x - 90 =0