Please help me with this math question

Whats the name of the vertical axis

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

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.