Ben races his younger sister Ellie. He gives her a 20 foot head start. She runs at 5 feet per second. Ben runs at 8 feet per second. Write an inequality that represents the time in seconds at which Ellie will be ahead of Ben.

What is the slope of a line that is perpendicular to y = 3x + 1

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Select the quadratic that has root x = 8 and x = -5