Answer:
Step-by-step explanation:
1/2(-9+n)=20
n=40+9
n=49
(-4*3*2)^2 = (-24)^2 = 576
hope this will help you
Answer:
LCD 1
Step-by-step explanation:
Answer: 13x
Step-by-step explanation: Multiply x to 11 and 2
11x+2x=13x
Step-by-step explanation:
The distance formula between two points:

Substitute the coordinates of the points.

If a ≤ b < c are the sides of the right triangle, then
a² + b² = c²

used
for a ≥ 0.
therefore ΔABC is a right triangle.