Combine like terms to create an equivalent expression.

1.3b+7.8-3.2b1.3b+7.8−3.2b

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?

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

The square root of 9x plus 7 plus the square rot of 2x equall to 7