Give the final simplified result.
9a? - [3a - (70? + 3a)] - [2 + (15a - 2)]
= 9a² + 7a? - 150
enter the correct answer.

Strawberries cause two hours per pound kate buys 5 pounds he gets 20% off discount on the total cost how much does kate pay for the strawberries

When rolling 26 sided number cube what are the chances some of the role will be seven

An electrician cuts a 136 foot long piece of cable. one piece is 16 feet less than 3 times the length of the other piece. find the length of each piece