A bacteria culture doubles in size every 20 min. How long will it take for a culture of 50 bacteria to grow to a population of 250 000

The water slides have 38 temporary employees and 57 permanent employees. What percentage of the employees at the water slides are temporary? Write your answer using a percent sign (%).

Sofia paints a rectangular mural on the wall. The area of the mural is 128.52 square feet. The mural is 12.6 feet wide. What is the height of the mural?

Suppose you roll a red number cube and a blue number cube. how many different rolls will have a sum of seven?

Find 11/12 + (-7/12) write as a fraction in simplest form

What is 12 divide by 362

Carl's Candies has determined that a candy bar measuring 3 inches long has a z-score of + 1 and a candy bar measuring 3.75 inches long has a z-score of + 2. What is the standard deviation of the length of candy bars produced at Carl's Candies?

Emma needs 84 centimeters of ribbons. She measures and cuts a piece from a spool of ribbon. Later she finds out she has actually cut 80 centimeters of ribbon. What is her percent error? Write your answer to the nearest whole percent.

The sum of the angle measures of a polygon with n sides is 540. Find n. no

Roll a dice. Chance of it landing on a 2? ? In?

Is a number less than 10 the same as the difference of a number and 10?