The expression -230 + 15m represents a submarine that began at a depth of 230 feet below sea level and ascended at a rate of 15 feet per minute. What was the depth of the submarine after 5 minutes?

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

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%

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247