The measure of central angle YCZ is 80 degrees. What is the sum of the areas of the two shaded sectors?

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

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.