For the given functions, find:
(a)
(b)

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.

Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite