If a1 = 4 and an =
- 4 an–1 then find the value of a6.

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.