4). Evaluate these expressions for:
a = +2, b = -3, c = +8
Write out the expression with numbers first. Circle 2 signs together and replace with 1 sign, then solve:
a). a + b =


b). a - b=


c). b - c =


d). 3a - b =


e). a + 2b =


f). c - a - b =



5). Evaluate these expressions for:
m = +4, p = - 2, t = +8

Write out the expression with numbers first. Circle 2 signs together and replace with 1 sign, then solve:
a). mp =


b). (t - m)p =


c). t(pm) =


d). 2p(t + m) =


6). Evaluate these expressions for:
x = 1/3, y = 1/2, z = 1/4

Write out the expression with numbers first.

a). xy =


b). x y z =


c). 3x - y =
d). x(z + y) =