Which of these sequences is a geometric sequence?
a) 1, 2, 4, 7, 11, 16, 22, …
b) 2, 4, 8, 14, 22, 38, …
c) 3, 6, 9, 12, 15, 18, 21, …
d) 3, 9, 27, 81, 243, 729, …

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30