0.55 written as a fraction in simplest form?

Given right triangle xyz, which correctly describes the locations of the sides in relation to

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

Solve the triangle. a = 21°, c = 105°, c = 5