Answer:
Part A: The variables are the amount charged per hour dog walking and the amount charged per hour babysitting.
Part B: y=8d+12b
Step-by-step explanation:
i think its 0.9994225
just subtract the 8.75136.24 bye 7.75193. and there you go.
91 EASY
7x²-12x-10
(5x²-8x+1) + (2x²-4x-11)
combine like terms
what are do you want from me i don't even know my bad