Answer:
68-x
Step-by-step explanation:
71-x-3=71-3-x=68-x
94=y/4-18
first you would +18 on each side with a result of 112=y/4 then you would x4 on each side with an end result of 448=y
y=448
Answer:
1/625
Step-by-step explanation:
Exponent Rule: 
Exponent Rule: 
5⁻⁸ · 5⁴ = -8 + 4 = -4
5⁻⁴
1/5⁴
1/625
Depends how many times pink is on the spinner you put the number of pink spaces there is at the top out of seven for example a fraction 3/7