The answer is -3yx(-y-3x)
so do all the question like this types
thankyou for your question
$1.25 for 1 pound of apples.
You simply do $5/4 and get 1.25
The answer is: positive 61.
So do (21/2+49/4)-3/2=You get 21 1/4 miles
Since 21 1/4 is close to 21 1/2, this answer is reasonable. So A is the answer