What is the explicit formula for the sequence {3, 8, 13, 18,...}? 1.an = 3 + 02-1
2.an = 3 +5,1
3.an = 3 - 5(n - 1)
4.an = 3 + 5(n - 1)

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Which of the following is correct interpretation of the expression -4+13