Answer:
1?
Step-by-step explanation:
I think its one...
.438
rounded to nearest tenth = .4
rounded to nearest hundredth = .44
The coefficients are the numbers in front of x or the 4.4 in the equation. So you can just divide the numbers.

Divide to 2.2
The student should have phrased it to be "the difference between the product of 5 and y and 15", as the way the student writes it implies that 5y is being subtracted from 15 instead of the other way around.