A worm is at the bottom of a 40m hole. It can crawl upwards at a rate of 4m in a day, but at night, it slips back 3m. At this rate, how many days will it take the worm to crawl out of the hole?

The area of a round table in Kim's living room is 201 square inches. What is the circumference of the round table, to the nearest hundredth of an inch? A 100.49 inches B 89.03 inches C 50.24 inches D 25.12 inches

A baseball that usually cost $65 is on sale for $55.25. what is the percent off?

The equation for women's shoe sizes is y = 3x - 21, where x is the length of the foot in inches. What shoe size should you recommend to a woman whose foot is 8.5 inches long?

A box plot titled "Age of Participants" and labeled "Age" uses a number line from 10 to 35 with primary markings and labels at 10, 15, 20, 25, 30, and 35. The box extends from 15 to 27 on the number line. A line in the box is at 22.

13. Write a few sentences describing what you have learned about the mean length of the population of 268 words in the Gettysburg Address. Be sure to include an interpretation of the margin of error.

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 3 hours, the population of bacteria is b2 cells. Three hours later, the bacteria population is b3 cells.

What is - √61 to the nearest integer and nearest tenth?

This school is also thinking of changing their mascot to an armadillo. To change mascot, a 55% supermajority is needed. How many of the 240 students need to vote "yes" for the mascot to change

The cost of controlling emissions at a firm is given by C (q) = 4,000 + 100q2 where q is the reduction in emissions (in pounds of pollutant per day) and C is the daily cost to the firm (in dollars) of this reduction.

You have a fishing line spool with an end that has an area of 20.0 cm2. how much fishing line do you need to wind around the spool 10 times?