Find the distance between two points
(4,6) and (4,-2)

Sound travels about 750 miles per hour. a) suppose it takes about 1.5 seconds to hear the echo. how far away is the canyon wall, in feet? for this i got 825 ft b) suppose you stand 1,925 feet from the canyon wall and sound the horn. how long will it take to hear the echo? (i'm stuck on this)

Is of ac? ! a. 12 b. 24 c. 60 d. 30

What is the surface area of a cube that has a side length of 8 mm? use the formula is sa=6^2, where sa is the surface area of the cube and s is the length of each side. 48mm^2 96mm^2 384mm^2 2,304mm^2