A bag has 4 red balls and 8 blue balls. find the probability of choosing a blue ball at random

Ethan's solution and reasoning for solving an equation are shown below:4/2 x - 10 = 30

A cell-phone company has noticed that the probability of a customer experiencing a dropped call decreases as the customer approaches a cell-site base station.

Which is greater 12/5 or 245%?

Which of these is not a geometric sequence? A: 3, 6, 12, 24, ... B: 250, 50, 10, 2, ... C: 5, 15, 45, 135, ... D: 4, 12, 20, 28, ...

Question 1: Write a numerical expression for the following: a.) seven times the sum of eight and thirty-four b.) twenty-two less than the quotient of one hundred fifteen and five

A copiy machine can duplicate 2400 copies in one hour. How many copies can it make in 5 hours?

Write $1.50 to $2.50 as a fraction in simplest form

A study of college graduates involves three variables: income level, job satisfaction, and one-way commute times to work. List some ways the variables might be confounded. a.) People with long commutes will have very high incomes. b.

What is 10.31 as a mixed number

Which ordered pair is a solution of the line y - 2x = 6?