25% because 21 is a quarter of 84. And 21 times 4= 84, so 21 is 25% of 84.
Answer:
f(x) = -|5x|+3
Step-by-step explanation:
When doing transformations that go up or down, the number always goes all the way on the right, separate from the x. When its being translated up its positive, when its being translated down, its negative.
M=1.25
c=0.6
I got this by creating a systems of equations and I used the substitution method
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.