A) 10s=2m
B) It would take 20 seconds for 4 miles
C is the right answer, the product is 13.348
We can use the distribution method for both sides:
9 (x+2) = 5 - 2( x - 1 )
9x + 18 = 5 -2x + 2
Move like terms to one side and combine:
9x + 2x = 5+2-18.
11x = -11
x = -1.
<span>Which number line model represents 1 + (-3)?</span><span>
-2
*Are there any options though?*</span>
