At a particular theatre, adult tickets cost $12.50 each and student tickets cost $8 each. At a certain show, only adult and student tickets were sold. If twice as many student tickets as adult tickets were sold and the total sales were $2,280, then how many adult tickets were sold?

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x