What is the formula for to find the othocenter? and i know first u find the midpoint do u do the reciprocal for the slope?

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

Find the nonpermissible replacement for binthis expression.b2/5b +5

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples