Answer:

Step-by-step explanation:
(r⁻⁷)⁶ = r⁽⁻⁷⁾ˣ⁶
= (r)⁻⁴²
remember to use SOH CAH TOA. THE SOLUTION THAT I GOT CAME OUT AS 15/8
Answer:

Step-by-step explanation:
x^2 + 1 = 4
x^2 = 3

Answer:
Most expensive house she can buy is $79,500
Step-by-step explanation: