7. sqrt(5/2) no decimals

square root 5/2 i really need

On a coordinate grid, point p is at (4, 3) and point r is at (−2, −5). points q and s are a reflection of both points across the x-axis. what are the coordinates of q and s? q(−4, 3), s(2, −5) q(4, −3), s(−2, 5) q(−4, −3), s(2, 5) q(−4, 3), s(−2, 5) ; -; i can't figure it out, if someone can me with the answer,that would be nice

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?