C is irrational because there is no definite square root for 15 whereas the square root of 36=6
1/10 * 4/10 = 4/100 divide both by 4 it'll be 1/25
Answer:
Ace is the next level after expert.
X / y
105 / 21
85 / x
Cross multiple
85 * 21 = 1785
105x = 1785
X = 17
