The temperature dropped 11°f per hour from the original temperature. after 4 hours, the temperature was 90°f. find the original temperature

Lorenzo ate 2/5 of his bag of almonds. his 4 friends ate equal shares of the remaining bag of almonds?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%