Percent means parts out of 100
28%=28/100=14/50=7/25
Answer:

Yes, y is a function of x.

Step-by-step explanation:
For a proportional relation, the equation is given by:

where k is the unit rate of change.
We were told that, Lin's sister earns $9.6 per hour.
This means k=9.6.
We substitute to get:

We could rewrite this as

Yes, y is a function of x.
To obtain an equation describing x as a function of y, we solve for x to get:

X= tennis balls Noah has
x<8
Answer:
-1 < x
Step-by-step explanation:
-10 < x - 9
+9. +9
-1 < x
Answer:
wooowooowowowowowowowowow
Step-by-step explanation: