Rewrite this polynomial in terms of its simplest factors using the appropriate method: x2 − 81

Janets dinner costs 7.50. if she wants to leave a 10% tip how mich extra should she leave

36 inches/second = yards/minute how many yards?

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f