I need help in algebra 2

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

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?