If (3-x) + (6) + (7-5x) is a geometric series, find two possible values for a. x
b. the common ratio
c. the sum of the first five terms

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

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

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?