What does it mean when there is a letter I'm your math question

Factor the expression. 4b^2-11b-3 A. (4b-3) (b-1) B. (4b+1) (b-3) C. (2b+1) (2b-3) D. (2b+1) (2b+3)

Whats 4 Divided by something equals three

A man purchased 100 oranges at 800$ and sold each of them at 10$. What is his percentage profit

What is the degree of the power function represented in the table? 1 2 3 4 x h (x) -2 - 8 -1 - 2 0 0 1 - 2 2 - 8

Gold costs $1,654 per ounce. How many ounces are needed to be worth $16,540

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