Whoever can , do ! i am in need of asap and have nobody else to . i will reward brainliest and 10 points

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

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

What numbers are included in the set of integers? what numbers are not included?