Answer:
18
Step-by-step explanation:
Answer:2(10+8)
Step-by-step explanation:find multiples that will equal the same thing
Answer:
a,b
Step-by-step explanation:
Answer:
8.52x
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
(x)^2+(1/x)^2=18
(x-1/x)^2+2x.1/x=18
(x-1/x)^2+2=18
(x-1/x)^2=16
(x-1/x)^2=4^2
x-1/x=4