Answer:
2 3/4
Step-by-step explanation:
To find out if the triangle is a right triangle, we must check if the following equation is true:

on the left side, we have:

and on the right side, we have:

since on both sides we get 625, we have that the brace forms a right triangle.
Answer:
1: D
2: B
Step-by-step explanation:
The question doesn't seem specific enough. If there are options, please list.
Answer:
Alex's ride is $15.25
The equation to find this is
1.25m + 4 = cost
m = miles traveled