HELP PLS I HAVE BEEN WORKING ON THIS FOR A WHILE PLEASE HELPPP

What is the value of  y  in the solution to the system of equations? x  +  y  =  12x  –  3y  =  –30a. –8b. –3c. 3d. 8

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.