5p, 2p and 1p coins (or a mixture of any of all of these) are used to make a total of 11p. In how many different ways can this be done?

What is the value of r of the geometric series?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Can you me find the slope! (30 points)