On Monday, a local hamburger shop sold a combined total of 426 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Monday?

12. If y = 12 when x = 18, find x when y = - 16.

You are thinking about switching cell phone carriers because you don't get very good cell coverage at your new apartment. Verizon is offering a new deal on monthly data packages for smartphone. After paying a $45 access fee, each GB of data is $7.50.

A superintendent has 12 schools under his jurisdiction if he randomly selects 3 schools from these 12, how many different combinations are possible

How many ways can 4 candy bars be chosen from a store that sells 30 candy bars (combination)

Imagine you are planning to use circles to visually compare the populations of California (38,800,000), Texas (28,240,245), and New York (19,807,500). The size of each population will be represented by the area of each circle, not the radius.

The coordinates of the four vertices of a rectangle are (1, - 1), (4, - 1), (4, 1), and (1, 1)

If the perimeter of an equilateral triangle is 24 inches, find a side of the triangle

3x-2y=-2 6x-2y=10 solve by elimination

A marketing firm is studying consumer preferences for winter fashions in four different months. From a population of women, 18-21 years of age, a random sample of 100 women was selected in January.

Which is bigger 15%or 1/5?