A bag contains 120 marbles Some are red and the rest are black. There are 19 red marbles for every black marble. How many black marbles are in the bag?

Is (2, 1) a solution of y = 3x - 5

The t distribution is a family of similar probability distributions, with each individual distribution depending on a parameter known as the

When 21 is divided by j, the remainder is 3. if j is less than 9, what is the remainder when 30 is divided by j? explain your answer?

The sum of three consecutive odd numbers is eighty - seven. What is the smallest of the three numbers?

A rectangular prism has a length of 4 cm, a width of 112 cm, and a height of 212 cm. The prism can be filled with unit cubes that have edge lengths of 12 cm. What is the volume of the prism? Enter your answer in simplest form.

Members of a hospital advisory committee will be selected from 5 doctors and 4 nurses. The committee must have 2 doctors and 2 nurses. How many possible combinations of doctors and nurses could be chosen for the committee?

The ratio of bluebirds to robins is 3 to 2. A. explain what this ratio means. B. the teacher asked,"if there is a total of 30 birds and robins, how many bluebirds are there?" Henry answered,"That's easy, 30divided by 3 is 10".

Allam just finished a great meal at a restaurant in Wisconsin. The sales tax in Wisconsin is 5 percent, and it is costumary to leave a of 15 percent for the server. the tip amount is calculated on the price of the meal before the tax is applied.

Farmer parson collected 1183 chicken eggs this morning. He will put them in cartons that hold a dozen eggs each. How many cartons will he fill.

What is answer to - 14r-19=303 Can you explain it for me plx