The number you’re looking for is 570
Substitute the x-value and see if you get the corresponding y-value. The corresponding y-value an x-value of 3 in this equation should be


Since the coordinate (3,32) does not represent that, it is a false solution
The answers -1/2
-4/5 is -.8 and
10/16 is .625
-.8 times .625 is -.5
and -.5 in fraction is -1/2
1.8 divided by 7.74 is 0.23 .
And 56.4 divided 4.7 is 12 .