3x^2 + 21x
Is the answer without a doubt.
Answer:
a) -5n9
Step-by-step explanation:
CAN U PLZZZZ MARK ME BRAINIEST!!!! I REALLY NEED IT
Answer:

Step-by-step explanation:
Slope intercept form of a line is given by:

Where
m is the slope and b is the y-intercept
Given slope is 
We can write:

Now to find b, we replace x with -3 and y with -4, given, so we have:

So, the equation is:

Now,
The standard form is given by:

So, we take x and y to left side and the constant to right side. Rearranging, we get:

The first answer choice is right.
I think 15 is the answer I’m not sure tho
Answer:
16
Step-by-step explanation:
use desmos