11a:
3x+5=5x-57
3x-5x=-57-5
-2x=-62
x=31
11b:
2x+2x+4x+150+4x+150=360
12x+300=360
12x=360-300
12x=60
x=5
hope this helped !!
Answer:
36
Step-by-step explanation:
In this example, s=6
6^2=36
or you can think about it like this:
you have 6 squares across and 6 down, how many do you have totle?
■■■■■■
■■■■■■
■■■■■■
■■■■■■
■■■■■■
■■■■■■
Then count them for a totle of 36
NMQ is 123°. Set it equal to 360° and use congruence
