Which number sentence shows the commutative property of addition?

7 + 6 = 13

7 + 6 = 6 + 7

7 + (4 + 6) = (7 + 4) + 6

The radius of a circular hat is 3.7 inches. Find the circumference.

Adam and Darius provide the following proofs for vertical angles to be equal

How do i get y separated from 3y - 6 = 9 + 12x

Suppose you have just enough money, in coins, to pay for a gallon of milk priced at $2.40. You have 12 coins, all quarters and dimes. Let q equal the number of quarters and d equal the number of dimes. Which system models the given information?

An email spam reaches three readers. Each of them forwarded the same email to three different readers.

The jelly Junior high school color is made by mixing red paint with yellow paint the ratio of red plate two yellow is 3 to 5 how much red plate should be mixed with 20 ounces of yellow

Two angles are complementary. one angles measure is 79 degrees. What is the measure of the other angle

True or false? The degree of a binomial is always equal to 2

Given two-digit numbers 10, 13,16, 17 and 20. How many remaining two-digit numbers smaller than 22?

What is the nearest ten thousand, the population of Vermont was estimated to be about 620,000 in 2008. What might have been the exact population of Vermont in 2008