18+8/4x2
18+8/8
18+1
PEMAS
parentheses,
Answer:

Step-by-step explanation:
√a^4 is the same as:
√a × √a × √a × √a
group them as 2 pairs of
(√a × √a) × (√a × √a)
which makes
a × a
which is the same as 
Answer:
ivcfvbnjbvgfcddf,;lhuybgtfrsxdcfvnjmkl,;kuytresdfghjiuytfrd
Step-by-step explanation:,vbnnbvgbhjnkmjhuygtfrdesdrtfyuhijohuygtfrd5eswed
Answer:
y=17
Step-by-step explanation:4(y+8)=100
We move all terms to the left:
4(y+8)-(100)=0
We multiply parentheses
4y+32-100=0
We add all the numbers together, and all the variables
4y-68=0
We move all terms containing y to the left, all other terms to the right
4y=68
y=68/4
y=17