What is the solution of the system ? use substitution.
y= -3x
x + y = -4

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

Which number completes the inequality? 2/3 < _ < 7/9

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30