In the diagram, AB = 10 and AC = 2 StartRoot 10 EndRoot. What is the perimeter of △ABC? 10 units
10 + 2 StartRoot 10 EndRoot units
20 units
20 + 2 StartRoot 10 EndRoot units

What are the soultion(s) to the quadratic equation 40- x^2=0

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.