If you form a triangle with the points B and C as two of the points of the right angled triangle then you use Pythagoras to find the length of BC.
3^2+4^2=25
√25 = 5
Answer:

Step-by-step explanation:
To write the equation using a center and a radius, use the vertex form of the equation.

Substitute the values h=10 and k=4 into the equation along with r = 4.

Seven million, nine hundred thousand, 10 thousand, five thousand, eight hundred seventy eight,
or
seven million, nine hundred fifteen thousand, eight hundred seventy eight
Answer:
Step-by-step explanation:
If
then
by combining like terms. (I'm thinking you might have mistyped the problem because this representation is weird).

The correct answer is -15 because the absolute value is 15 but there is a negative outside the absolute value lines making it negative :)