Solve the system of equations. x + 3y = −1 2x + 2y = 6

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

Which of the following graphs could represent a quartic function?