Is 47 a prime or composite? factors are.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)