Mika is working two summer jobs making 9$per hour babysitting and 17$ per hour lifeguarding. Last week Mila earned a total of 138$ and worked 2 more hours lifeguarding than hours babysitting determine the number of hours mila worked babysitting last week and the number of hours she worked lifeguarding last week

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

5x−4≥12 or 12x+5≤−4 can you with this problem