Which expression is equivalent to 2la+26)-2-26?

Can someone me i’m confused. will give brainliest and a whole bunch of points

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10