Hey! What's (2x + 3) to the fifth power (2x + 3)5

it would be helpful to see this using Pascal's Triangle, but any way works.

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

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