A/5 + 3 = 8 I don't understand this on my hw as i havent been taught

Which of the following statements describes the difference between the range and the interquartile range? a.

Write the number in expanded form 742

McKenna is taking three people to a carnival. She will choose from 1 of her 3 cousins, 1 of her 5 neighbors, and 1 of her 2 sisters. How many possible combinations are there?

What is the value of 1/3 X^2+2, when X = 3

Is 9/16, 5/6, 48/100,0.67, and 0.0009999 closer to 0, 1/2, or 1 ...

What does the average mean in line plots?

Multiply (5x-1) (6x^2+3x+7) SHOW WORK

Muriel collects rainwater in a large barrel that weighs 20 pounds. When there are 10 gallons of water in the barrel, the total weight of the barrel and the water is 103.4 pounds. When there are 20 gallons of water, the total weight is 186.8 pounds.

The number x is reduced by 25% and then halved

Bruno correctly answered 4 questions out of every 5 questions on a test. write the ratio of questions that Bruno answered correctly to the number of questions on the test