A culture started with 4000 bacteria. After 2 hours, it grew to 4,400 bacteria. Predict how many bacteria would be present after 13 hours. Round your answer to the nearest whole number.

1. A six-sided number cube is rolled and a card is drawn from a standard deck. Find the total number of outcomes.

In one city, the probability that a person will pass his or her driving test on the first attempt is 0.61. 11 people are selected at random from among those taking their driving test for the first time.

Two hundred largemouth bass are tagged and released into a lake. Later, a sample of 81 largemouth bass contains 11 tagged bass. Estimate the largemouth bass population to the nearest hundred.

4) What is 13% of 20.68? Round your answer to the nearest hundredth.

14 х2 - 8 х + 3 - 6 х2 + 7x-11

155% is equivalent to what fraction in reduced terms

Janice bought three lamps for her new apartment in a city where the sales tax rate is 5%. The lamps cost $25, $35, and $45. Find the total cost of her lamp purchase, including sales tax.

Square root of x^13 simplify

If the perimeter of an equilateral triangle is 30 ft, what is the area? 25√2 sq. ft. 25√3 sq. ft. 50√3 sq. ft.

A car dealer paid a certain a price for a car and marked it up by 7/5 of the price. Later, he sold it for$24.000. What is the original price.