Answer:
m∠2 = 90°
Step-by-step explanation:
Here's a postulate:
If a line is perpendicular to another line, then they make up 90° on both sides.
OR
If a⊥b, then ∠ are 90°
Answer:
Step-by-step explanation:
× = × = ( Domain is x ≠ 1 and x ≠ 5 )
The expression has an excluded value of x = 5
Answer:
Step-by-step explanation:
Replace y with f(x).
Swap x and y and solve for y
Inside I think because the intersection isn’t outside of the circle
Answer:
There are 19 students if there are 20 people in the class.
Step-by-step explanation: