Solve a(7) = a7-1 + 6

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?