At an airport restaurant, 2 sodas and 4 hamburgers cost $12.00. An order of 4 sodas and 2 hamburgers costs $9.00. How much does one hamburger cost?

According to chebyshev's theorem at least what percent of any set of observations will be within 1.8 standard deviations of the mean

A piece of paper is 0.01 centimeters thick When you fold it once it becomes 0.02 cm thick. If you fold it again it doubles again to 0.04 cm thick each fold doubles thickness of the paper. how thick is the paper?

Which ordered pair represents the x-intercept for the linear equation, 3y + 4x = 8? (0, 2) (0,8/3) (2,0) (8/3,0)

Use the definitions and theorems of this section to evaluate and simplify the following expression. Be sure to express answers with positive exponents. a^8/a^6

Which of the following are arithmetic sequences? Check all that apply. A. 1, 1, 2, 5, 8, 13 B. 5, 5, 5, 5, 5 C. 3, 6, 9, 12, 15 D. 2, 4, 8, 16, 32

When can a trapezoid also be called a parallelogram?

The capital of Australia was located

Gina rented shoes for 2.75 dollars she then bowled three games (2.50 dollars) and then brought nachos for 1.75. she used a coupon for 1/2 off the price for her bowling games. what was the total Cost before tax?

The sum of four consecutive integers is - 42. What are the integers?

You have 4/9 of cooking oil and you pour 3/5 of oil into a smaller. how much of the entire larger bottle did you pour into the smaller bottle?