What is the slope of the line whose equation is 5y=x-3

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b