What number should be added to both sides of the equation to complete the square? x2 + 3x = 6 a 3/2 b [3/2]^2 c 3 d 6^2

Adriveway is 40 yards long about how many meters long is it

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

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.