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Practice
Simplify the expressions below.a)
r4
r9
r5
r4
b)
v20
v17
v-3
v20
c)
v27
v19
v-8
v27
d)
y13
y16
y3
y13
e)
r3
r-6
r-9
r3
f)
v-5
v2
v7
v-5
g)
w14
w4
w-10
w14
h)
r-13
r-4
r9
r-13
i)
p2
p-6
p-8
p2
j)
r1
r-4
r-5
r1