Answer:
g=b-3.50
Step-by-step explanation:
SSS is 3 sides, you already know EF and DW are identical and the two triangles share side DF, so you would need to know that ED ≅ WF
She should get $12.17 in change.
20- 2.25 = 17.75
17.75 - 4.39 = 13.46
13.46 - 1.19 = 12.17
HGD
-ghost
So we have the expression:
And we want to evaluate it for x=-2.
So, substitute -2 for x:
Multiply:
Subtract:
The absolute value of a negative is positive. So:
And we're done!