Which are equivalent expressions?

Check all that are true.

y + x = 2x

x + x + x + x = 4x

x + x = 2x

x + y + y + x = 2x + 2y

x + y + x + x = 2x + y

Use the word unmistakable in a sentence

You're trying to determine what the temperature is outside. The thermometer says it's 24°C. You convert this temperature to 100°F. Which sentence best describes your temperature estimate? A. Your estimate is wrong, and it should be - 4°F. B.

6 - 3n = - 12 what is n?

An item is regularly priced at $75. It is on sale for 80% off the regular price. How much (in dollars) is discounted from the regular price?

Is 4.2:1.5 proportional to 12:5

Express the solution set of the equation in set notation. x - 2 = 10

What is 520% written as a fraction

What is the product of gcf and another sum of 48+14

18/30 reduce into fraction

A research article reports the results of a new drug test. The drug is to be used to decrease vision loss in people with Macular Degeneration. The article gives a p-value of. 04 in the analysis section.