The elevation of the surface of a lake is 315 feet. During a drought, the water level of the lake changes - 3 1/5 feet per week. Find how long it takes for the surface of the lake to reach an elevation of 299 feet. Justify your answer.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year