Write the equation of a quadratic function in y=ax↑2+bx+x that goes through the points (2,3), (4,-1), and (7,8). NO LINKS

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

If value of cos330° is √3/2 then find tan165°.

The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)