Apolygon has the following coordinates: a(2,-3), b(-2,3), c(2,2). find the length of ac.

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2