Select two prime numbers that have a sum of 18. A. 1,17
B. 2,16
C. 3,15
D. 4,14
E. 5,13
F. 6,12
G. 8,10
H. 9,9

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

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