https://www.wolframalpha.com/
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.
Answer:
D, the last answer choice
Step-by-step explanation:
y=mx+b is the formula. 2/3x is the slope and 3 is the y intercept.
divide the two:
52.50 / 7 = 7.50 per hour
Answer:
3/10
Step-by-step explanation: