Answer:
12
Step-by-step explanation:
12+15+10+11=48
48/4=12
Answer:
x+6+x+x
Step-by-step explanation:
x+6+x+x =3x+6
The slope-point form:

The formula of a slope:

We have the points (7, -8) and (-4, 6). Substitute:

The answer is B
4 to the power of 3 = 64
2 to the power of 3 = 8
64 x 8 = 512
8 to the power of 3 is also 512
So it’s B
Answer:
y=-x^2 is just y=x^2 reflected over the x-axis. In other words, the parabola is upside-down.
Step-by-step explanation: