The student council has $800 to spend on homecoming T-shirts. The number of T-shirts they can buy is a function of the price of the T-shirt  p  , in dollars, given by n(p)=800/p. here is a graph of y=n(p).

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )