Answer the question. what is the probability of an event that is certain to occur?

Write the equation 4x+4y=20 in slope intercept form

Alice drove 140 kilometers east at a constant velocity. It took her 2.5 hours to drive that distance. What was her velocity?

Ethan is conducting an experiment to determine whether a new medication is effective in reducing sneezing. He finds 1,500 volunteers with sneezing issues and divides them into 2 groups.

For a party, Sue bought plastic plates for $3.65, cups for $4.25, three boxes of plastic tableware for $0.99 each, and a plastic tablecloth for $6.75. Sales tax is 5.5%. What is the total cost for Sue's purchases, including tax?

A bag contains 8 yellow cubes 7 blue cube and 5 Red Cube if you select a cube at random what is the probability the cube will not be blue or red

How is a debit card differ from a credit card

3a+3b=18 What can you you fill in the "a" and "b" blanks to get 18

What property states that any element is equivalent to itself?

Find the x and y intercepts of - 7xt6y=5

What is 61 divided by 6 long division can you show me?