A biologist is studying new bacteria. She places 50 bacteria in a petri-dish, that has a growth rate of 7.5% per hour, how many hours will it take for the bacteria to reach 1,500? Round your answer to the nearest hour.

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis