In a lab, a scientist is growing bacteria for a study. The scientist begins with a bacteria population of b cells. She discovers that after 2 hours, the population of bacteria is

62 cells. If the population of the bacteria after these 2 hours is one million cells, what

was the population at the start? Explain how you found your answer.

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

The tile along the edge of a triangular community pool needs to be replaced? ?