A. Evaluate each expression using the values: = -1; y = 2; 2 - 3. (Note: Do not
mind other variables. Just get only what is needed in each number.)
1. x2 + 3y
2. 4y- 5z
3. 2(y + z) + 7x
4. (x + y + z)2
pls po pakisagot po​