Ok so firsst you do 40-20=20 20÷2.50=8 so that means amelia needs to babysit 8 hours to get $40
hope this helpd
-3 + 7 = 4
4 - 7 = -3
I think that's what you want.
Answer: ab+a-b
ab+ac-a2
CLT( collect like terms)
ab+a2+ac-bc
ab+a-b.
Hope this is correct
When you want to use a discount membership to save money you are required to purchase a membership. A popular place that people often purchase memberships from are Costco or Sam's Club.
