In one month, jillian made 36 local phone calls and 20 long distance calls. what was her ratio of local calls to long distance calls for that month?
a. 3 : 2 b. 9 : 4 c. 9 : 5 d. 2 : 1

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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