The fish population of lake Collins is decreasing at a rate of 1% per year. in 2002 there were approximately 1150 fish in the lake. which exponential function models this situation? A) y=1,150(101)^t
B) y=1,150(1)^t
C) y=2002(0.01)t
D) y=1,150(0.99)^t

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.