For every 144 light bulbs produced, 6 are defective. find the number of defective light bulbs that could be expected out of 720.

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Look at attachment. has all info needed. need