Answer:
Step-by-step explanation:
50/100 divide 50 on each side
= 1 / 2
The simplest form of 50/100 is 1/2
blank I don't see a shape
3:1 is your answer bruuuuuuhhhh
a^(-1/2) = 1/sqrt(a) = 3
so.
sqrt(a) = 1/3
a = 1/9
[4 + (12 - 2) ÷ 5] ÷ 7
[4 + 6 / 5] / 7
[10 / 5] / 7
2 / 7
= 2/7 or 0.28571428571
