How many times should you expect to roll a 5 on a number cube if you roll the cube 4,000 times?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The graph of g(x) is a translation of y = which equation represents g(x)?

What is negative 3/9 times negative 2/8 ?