A. You should cross the answer out so you remember what you have used it is so easy to forget what you have used.
3x+2=29
3x=27
x=9
Hope this helps
I am not sure. But Maybe someone else can help. I am sorry!!!!
Think about it. 65 mph means you go 65 miles in one hour, so in 2 hours you go 65×2 miles, in 3 hours you go 65×3 miles, and in 3.5 hours you go 65 × 3.5 miles.
Hope this helped
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