instructions: write an algebraic expression for each word expression
1. the quotient of -9 and y as an algebraic expression
2. twice a number, minus 13
instructions: Evaluate each expression for the given value of x
3. 2x + 3 for x =3
4. -4x + 7 for x=1
5. 1.5x - 2.5 for x =3
6. 0.4 + 6.1 for x = -5
7. 2/3x - 12 for x =18
8.-5/8x + 10 for x =-8