In a Periscope, the mirrors are mounted to be parallel. Light rays enter the Periscope from the right and strike the upper mirror. Light rays reflect from that mirror at the same angle at which they strike the mirror, so m∠1 = m∠2. What is true about m∠3?

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Solve the equation. 2x - 8(x+1)= 6(2x - 3)