If 3,000 bacteria, with a growth constant (k) of 2.8 per hour, are present at the beginning of an experiment, in how many hours will there be 15,000 bacteria? Round your answer to the nearest hundredth.

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Which of the following is an equation of a line parallel to the equation y=4x+1?