What is the sum of 2/5 and 2/4?

a. 9/10

b. 6/7

c. 8/20

d. 10/20?

Perform the indicated operation and, if possible simplify 2/3-1/7

Identify the outlier in the data. Then find the mean when the outlier is included and when it is not included. 68, 63, 67, 66, 65, 87, 69, 61, 86, 82, 28 outlier is 28; mean with outlier = 74.2; mean without outlier = 71.

sarah has already knit 17 centimeters of a scarf, and canknit 1 centimeter each night. How many nights will sarah have to spend knitting in order to knit a total of 34 centimeters of scarf?

What is the unit's digit of 3127 to the power of 173

a pool is in the shape of a rectangular prism holds 1800 cubic feet of water. the pool is 6 feet deep and 10 feet wide. what is the length of the pool in yards

A golf retailer purchases its clubs from a wholesaler at $44 per club. It sells the same clubs to golfers at $75 per club. What is the markup on each club, as a percentage of the wholesale price?

What property is this (8x5) x 10=8x (5x10)

I have two bags of marbles. The first bag contains 6 red marbles, 5 blue marbles, and 4 green marbles. The second bag contains 3 red marbles, 2 blue marble, and 4 green marbles. I will randomly select one marble from each bag.

Terrance is loading two different size boxes onto an elevator, which has a wieght limit. The small boxes weigh 5 kg each and the large boxes weigh 8 kg each.

What is the answer to the question 5x+2x