Which of the following is a rational number? (4 points)

square root 15 square root 16, square root 21, square root 22

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Sam's fruit cellar earns $0.40 profit for each banana that it sells.which expression show sam total profit from selling apples and banana select all that apply

Points a and b are to be mapped onto a number line according to two equations the solution to the equation 2/3 a equals -24 is the coordinate of point a. solution to the equation 20 equals negative b / 0.2 is the coordinate of point b. (a)solve the first equation to find the coordinate of point a show your work (b)be solved the second equation to find the coordinate of point b show your work (c)determine the distance between the points a and b explained