A population of bacteria is introduced into a culture. the number of bacteria P can be modeled by P=500 (1+4t / (50+t^2)) where t is time in hours. Find the rate of change in population when t=2 ... ?

Marshall is painting a 14 ft. by 16 ft. room with 9 ft. ceilings. The room has one door and one window. He estimates that he will need [9 (14 + 16) • 2 - (8 • 4 + 12 • 9) ] : 40 quarts of paint. Simplify the number of quarts of paint he will need.

7.21 as a percentage

dentify the type of sampling used. Thirty-five math majors, 52 music majors and 67 history majors are randomly selected from 444 math majors, 381 music majors and 414 history majors at the state university. What sampling technique is used?

A grocery store orders 47 bags of onions and 162bags of potatoes. The onions cost $2, and the potatoes cost $3 per bag. how much is spent on onions and potatoes?

What is the difference between an irrational number and an integer?

A set of symbols that expresses a mathematical rule is called a

Solve the inequality - 6>-2/3

In the following random experiment, decide whether the random variable X is binomial or not: Approximately 1 in 10 people are left-handed. Let X be the number of people that are left-handed out of a random sample of 200 individuals.

Ribbon is sold by the yard. If the cost is $2.79 per yard, how much does the ribbon cost per inch?

A rental company charges a flat rate fee for $58 per day x coordinate represents of days and the y coordinate represents the total cost or one, 3, 5, 7 days