6th grade math help me, please:)))

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Y=4x^2+x-1 solve using quadratic formula

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet