Hel find the area of a rectangle that has a length of x+3 and a width of 2x-7

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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?

3/8 of the students in ms. mull’s class ride the bus. if there are 24 students in the class, how many students ride the bus?