If R = { (x, y) is an element of N, x is an element of N, y is an element of N / x-y is divisible by 5 } then show that R is an equivalence relation

Tell whether the triangle with the given side lengths is a right triangle. 3.9 mm, 8.0 mm, 8.9 mm

Which is the graph of f (x) = 5 (2) Y?

Is the relation a function? { (-6, - 1), (5,-1), (0, - 1), (-2, - 1), (3, - 1) }

Today, a bicycle rider rode her bike 5 1/2 miles, she rode 6 1/4 miles. The difference in length between the two riders is what fraction of the longer ride

What is the answer to 8 (g+2) = 2 (23-g)

There is a population of 50,000 bacteria in a colony. If the number of bacteria doubles every 120 hours, what will the population be 240 hours from now?

Eric is preparing for a regional swim meet that is a month away. He swims the same distance and clocks his best time on several different days.

Jason has 12 quarters. For every quarter, Jason also has a game token worth c cents. Jason knows the total value of his quarters and tokens is 420 cents. Which equation can Jason use to determine the value of the tokens?

Describe the ratio of gray tiles to white tiles in 3 different ways

What's 30+30:10 pkese