Wait, so is the problem 6x + y = -39 or is it something else? Because I'm seeing two different expressions… comment back for help.
Step-by-step explanation:
it's a right angle so x + 63 = 90
that means x = 90-63
therefore x = 27
2x2x2=8
4x4=16
16x8=128
Hope this helps
21.95×.2=4.39
21.95-4.39=17.56
the discount is $4.39
and the total sale price is $17.56
