Answer:
1) √248 = ± 15.7480157
2)√63 = ± 7.93725393
Step-by-step explanation:
$4.18 would be his change back
x=-2
Step-by-step explanation
1) Remove () and Rewrite
2) Collect Like Terms
3) Move Terms
4) Divide Both Sides
ANSWER IS x=-2
1) b=-1.6 2) g=3 3) x=0.8 4) w=4.9 5) p=-16.2 6) y=9.2
Use inverese operations to isolate variables ex. x+4=2
x times 2 = 6 -4
/2 x=-2
x=3