Answer:
infinite solutions
Step-by-step explanation:
Answer:

Start by breaking the radicand into assumed positive values.

Simplify.

Answer:
WHere are the graphs
Step-by-step explanation:
:)
Answer:50
Step-by-step explanation:
All you do is add 60 and 70 together and then subtract what you had got from 180 witch gives you the answer for y and sense x is vertical to y they are going to be the same.