HELPP MEE I will get five stars I will give and I will give thanks

this is 30 points

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle