Twenty students ride on your bus.
two-fifths of them pack their lunches.
how many of the students pack their lunches?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k