Hi can someone help me with this math question! :) Please dont put a fake answer <3 This is for my math test! :D

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

What numbers are included in the set of integers? what numbers are not included?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4