A scientist initially measures 6,000 bacteria in a growth meditim. 7 hours later, the scientist measures 12,000 bacteria. Assuming exponential growth, the formula P = C(2)" gives the
number of bacteria in the growth medium, where r and C are constants and P is the number of
bacteriat hours after the initial measurement. What is the value of r?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?