3 ^ 2 x * 3 - 4 * 3 ^ x + 1 equals 0

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?