Answer is 132
because 9 goes into 11 twice and 9 goes into 28 3 times
(f*g)(x)= (x+7)(1/x-13)
= (x+7)/(x-13)
so the domain ( -∞, 13)U(13,∞)
% of decrease would be 100 - (22*100)/28
=100-78.57 = 21.43%
Personally I think the 3rd forth and the last one is but I’m not to sure
Letter C
Conversion from Degrees Celsius to Degrees Fahrenheit is :
F = 9/5 C + 32