Six students all took the same test. Their scores were 70,71,75,75,88, and 89. What is the mean absolute deviation for the test scores?

A) 7

B) 7.5

C) 75

D) 78

Which equations represent the data in the table? Check all that apply. y y-6 = (x+2) y-2=- = (x - 1) 6 3.5 y+2=5 (x-6) 4 y-1=- = (x-2) 1 y-3.5 = -1.25x _15 How many answeres are there

How do you solve 3=x+3-5x

Miss dean's laptop has 6 hours of battery life left, which is 75% of its maximum battery life. how many hours equal the laptops maximum battery life?

The distribution of data shows lots of lifetime averages in the middle classes but tails of sharply at both the upper and lower ends. What best explainsthe fact that there are very few averages in the lowest class?

8. Define the term ratio.

How many terms are in the expression 1/2 - 18y + 9z - 2

5*10^5 is how many times bigger that 1*10^5

Part of the population of 8,000 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 12 of them are infected. How many elk are likely to be infected?

Your new cell phone plan charges $50 per month for 400 minutes of talk time. The plan charges $0.10 for each additional minute you talk. You use 50 additional minutes this month. What is your bill for the month?

A man earns $112 interest in one year on an investment of $1,400. what was his rate of interest