Answer:
Step-by-step explanation:
7y - 3x = -5
-3x = -7y - 5
x = 7/3y + 5/3
Answer:
p^2/r
Step-by-step explanation:
An equivalent expression is the expression in simplest form. Here apply exponent rules by multiplying the exponents of each term by 1/5.

Answer:
I think 48, since it's an equilateral triangle.
Step-by-step explanation: