Choose the best description for the real number 34/4

1. irrational, because it is a fraction.
2. irrational, because it is a repeating decimal.
3. rational, because it is a fraction.
4. rational, because it is a terminating decimal.

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?

Find an equation for the linear function which has slope -10 and x-intercept -7

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300