Answer: The least common denominater is 90.
Answer:

Step-by-step explanation:
Remember that

we have

In this problem
b represent the 100%
so
using proportion
Find out what percent of b represent a
Let
x -----> the percentage of b

Convert to mixed number

Answer:
Step-by-step explanation:
no, you don't have the measure of at least one side, so having the same angles is similar but not congruent
Answer:
cats rule dogs drool is correct ty<3
Step-by-step explanation:
If x-y=2 then x=2+y
And if you insert that in the first equation




Or

The first one is bigger so the answer is