X+y=10, x=10-y
4(10-y)+6y=332
solve the next parts yourself
Substitution is to use one variable to express another variable in order to eliminate one variable in the original equation
True
5^2 = 25
12^2 = 144
25+144=169
13^2=169
Answer:
arcPR=125
RQ=125
PR=30
AQ=4
im not done yet and im not sure if im right but hope this helps.
You will get $2.03 back in change