What is the length of the line segment XZ

What is the standard form of -5x^2+2x^4-11+x^3+3x

If you are just building your payment history, how many points from a perfect score will you possibly miss?

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°