The third term and an arithmetic sequence is 12 in the system is 16. If the first term is a1, what is the explicit formula for this sequence?

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?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula