Angles a and angles t are complementary. the measure of angles t is three times the measure of angles a what is measure angles a

Can any one me with the answers to these questions asap?

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

Aline passes through 3,7 and 6,9 what equation represents the line