Answer:
7
Step-by-step explanation:
9×7 = 63
If all the cheese slices have same mass, say m grams
and mass of 3 cheese slices is 27
so,
m+m+m=27
3m=27
or m=27/3
m=9
thus
mass of one cheese slice is 9 grams
H(x) equals what? I think you've missed that detail. :)
Answer:

Step-by-step explanation:
Write down the problem;

Simplify

Convert so that the fractions have a common denominator; multiply the numerator and denominator of both fractions such that the denominators are equal;

Add the fractions;

Convert to mixed number;

Answer:
the equation would be f(x)= -9x+3 or y=-9x+3
Step-by-step explanation: