Which expression is equivalent to 4(3x+5y+2z)+3(x-z) a. 12x+20y+8z b. 5(3x+4y-z) c. 15x+20y+5z

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

How do i multiply two digit numbers