Identify the sequence of transformations that will reflect a figure over the x−axis and then dilate it by a scale factor of 3.
a (x, y) > (x, −y); (x, > (3x, 3y)
b (x, > (x, −y); (x, > (3x, y)
c (x, > )(−x, y); (x, > (3x, 3y)
d (x, > (−x, y); (x, > (x, 3y)

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.