Add these polynomials and simplify. enter your response in standard form.

(x4 − 9x + 5x7) + (5x − 10 + 3x4 − 2x2)

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Which expression is rational? 6. , square root two, square root 14, square root 49