Answer:
9
Step-by-step explanation:
because 9 is in front of the variable y
whenever there is a number before a variable then that number is a coefficient
For example:
3x+2x+5x=y
3,2,5 are all coefficients of x
Answer:

Step-by-step explanation:
so let's start with what we know:

now to get it into non mixxed numbers:
2*3 = 6
6+1
_____

2*3=6
6+2=8
______

now to cross mutiply them:
7*3
A common denominator for 1/4 and 5/6 is 12~
first 15- 4= 11
in question they gave 4-15 so
-11