Researchers recorded that a certain bacteria population declined from 100,000 to 100 in 24 hours. At this rate of decay, how many bacteria were there 16 hours into the experiment?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Marking brainliest rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?