I will give extra points please help

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.