Which relationship between x and y in the equation shows a proportional relationship?
a. y=4x+2
b. x+2=y+4
c. y=8x
d. y=x+4/2

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

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

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°