What is 6×7 broken apart

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

Find the solution(s) to x^2-14+49=0