An online coupon service has 13 offers for free samples. how many different requests are possible if a customer must request exactly 3 free samples? how many are possible if the customer may request up to 3 free samples?

If 20% of a number is 35, what is 50% of that number?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.