Q.1.
b2 + 4when b = 3
Q.2.
6a - 3dwhen a = 1, d = 2
Q.3.
Evaluate 3x + 8   if x = 2
Q.4.
Evaluate 4y  if       y = 3
Q.5.
Evaluate m² if m = 5
Q.6.
Evaluate 2r + 1 if r = -3
Q.7.
3(2x + z) when x=8 and z=2
Q.8.
Evaluate when a = 15: 2(a - 5) + 2
Q.9.
Evaluate the expression when h = -6 .19 + h
Q.10.
Evaluate x - 20 when x = 3
Q.11.
Evaluate x2 when x = -2
Q.12.
Evaluate x2 + 2x - 1 when x = -3