Arepair service charges by the hour. the amount of money they charge is below. what equation does the repair service use to charge customers?

a. c = 40h
b. c = 30h + 70
c. c = 30h + 40
d. c = 40h + 30

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j

Solve the system of equations. y=3x-1 and y=-2x+9. show work

Kim took out a $55,000 loan for college she is borrowing money from 2 banks bank a charges an interest rate of 8% and b charges an interest rate of 11% after one year kim owes 5000 in interest how much money did she borrow from bank a.