Answer:

Step-by-step explanation:
Proportional functions can be written as
, where
is some constant of proportional. Since directly proportional functions always pass through the origin, the y-intercept must be 0 (no additional number before or after
term). The only answers that fit this format are:

Answer:
42 / 7 = 6
Step-by-step explanation:
There are 6 rows in the class room.
Okay so your slope is going to be -9 because that is the rise over run for that equation. 5 is you y-intercept.
Answer:
The required expression is: 
Step-by-step explanation:
Given



Required
Write an expression for this scenario
If 1 pound of blueberry cost $2.50
then b pounds = 2.50 * b
If 1 pound of apple cost $2
then a pounds = 2 * a
The required expression (y) is then calculated as



Hence, the required expression is: 
Answer:145.44 ounces
Step-by-step explanation: Formula
multiply the mass value by 16 which means multiply 9.09 by 16