Find the exact value with work problem : s i did wrong everything in a) and b) who can me : (

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

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

Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?