Answer:
Step-by-step explanation:
They are both technically right 7 time 9 is 63 but 7 time 9 is equivalent to 9 times 7
<span>(-1/2)(4)(-2)(7y)(-1)
Just start multiplying!
-1/2 * 4 = -2
-2 * -2 = 4
4 * 7y = 28y
28y * -1 = -28y
Since that's not an option I suspect you're missing an x.</span>