Is 7.72 a rational or irrational number

Determine the mean, median, and mode for the given data. Name Anthony Noah Olivia Liam Matthew Natalie Amelia James Age 18 9 15 18 10 7 14 5 mean = 14, median = 10, mode = 18. mean = 12, median = 12, mode = 18. mean = 12. median = 12, mode = 15.

State whether the relationship between x and y in y=4x-5 is proportional or nonproportional

A carpenter earns $18 an hour for a regular work week (40) hours. He earns time and a half for overtime. The weekly wage function is W (h) = { 18h 040} where h is the number of hours worked for the week. Find the wage if the carpenter worked 42.

Paperback book cost $0.50 Hardback book cost $0.75 each If 12 books were purchased for a total of $6.75, how many paperback books were purchased?

There is a number that is 8 less than the sum of 20 + 12. Find the number. Let n = the number.

A jogger ran 5 2/3 miles on Tuesday. This was 2 1/4 more miles than she ran on Monday. How many miles did the jogger run on Monday?

Explain why the greatest common factor of two numbers is sometimes one

Write a pair of integers whose sum gives (a) a negative integer (b) zero (c) an integer smaller than both the integers. (d) an integer smaller than only one of the integers. (e) an integer greater than both the integers,

Solve the system of equations. y = 6x-27 y = 4x - 17 a. (-5, 3) b. (-3, - 5) C. (5, 3) d. No solution

Solve for x -6 (-x - 4) = 4 (1 + 4x) x =