A chemist weighed out 101. g of potassium. Calculate the number of moles of potassium she weighed out.

Round your answer to 3 significant digits.

Draw two different rectangle with the perimeter of 24 feet and 40 centimeters

If a (x) = 3x + 1 and g (x) = 1/x-13, what is the domain of (f*g) (x) ?

What is the greatest common factor of 40 80 100

Felicia is purchasing cans of 3 tennis event balls. If she purchases 5 cans of tennis event balls, can she use addition to find out how many balls she has?

You have a rectangular yard that measures 16 feet long 14 feet wide. It is covered in grass except for the center, where there is a circular fountain with a diameter of 4 feet.

You want to install wall-to-wall carpeting in your room. The room is 10 feet by 14 feet. What is the actual cost for carpeting if the carpeting costs $18.89 per square yard?

Jade said that the amount of money Ebony took out of her account each day between Day 8 and Day 12 was the same amount of money she put into her account each day between Day 0 and Day 4. Recall that Day 12 is when the balance first reached $0.

Karyn proofread a 15 pages in 2 hours for $40. a. What is her proofreading rate per pages per hour? b. How much does she receive on average per a page?

The Norwood Tigers are having team shirts made. One option is to pay Harold's Tees a $41 setup fee and then buy the shirts for $10 each. Another option is to go to City Printing, paying $36 for a setup fee and an additional $15 per shirt.

The sum of the roots of the equation x 2 + x = 2 is: