Find a polynomial which, when added to the polynomial 3x^2+3x-1 is equivalent to the following expressions: 2x^2-3

Pepe is going to spin the following spinner 800 times. the spinner is divided into equal sections.a. exactly 160 timesb. clost to 160 times but probably not exactly 160 timesc. exactly 640 timesd. close to 640 times but not probably not exactly 640 times. me

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?