Answer:
49x^4 -56x^3-91x^2-7x+2
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7x
Step-by-step explanation: if your wondering what that big line is thats the fraction sign so its the top over 7x!!! ur welcome
-4+-4
Step-by-step explanation:
3/4 + 3/4 = 6/4 = 1 1/2= 1.5 (this is one hour)
1.5 x 2 = 3
she can walk 3 miles in 2 hours.
