The measure of angle ABC is 160°. The measure of angle ABD is 95°.
The measure of angle DBC is xº.
Find the value of x.

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

Can someone me and do the problem plz so i can understand it more better

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0