I believe that choice A is the best answer out of those given above.
Hope this helps and please enjoy Brainly! -ZeusROX
Answer:
k=-8
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
Graph y = 2x
Step-by-step explanation:
First, let's get the equation into standard form. Distribute the 2 on the right.

Next, we want the variable "y" to be alone, so we at 4 to both sides.

That is our equation in standard y = mx + b form. "m" is our slope, while "b" is our y-intercept. Above , we don't have a value for b, therefore the line passes through the origin.
We do, however, have a slope, which can be thought of as
or rise over run. To represent this, we can rewrite our slope as:

Meaning in each interval, the line goes up by 2 units, and moves forward by 1.
Answer:
20 pens
Step-by-step explanation:
if there is 1 red pen for every 4 blue pens
then
4 red pens would have 16 blue pens with it. makes a total of 20 pens, with 12 more blue pens than red pens