What is the result of adding these two equations?

-2x + 7y = - 5

- 2x - 4y = 6

Find a counter example to disapprove that the commutative property is true for division.

What is 76% in simplest form

What is meant by mesaurment

Simplify 9 to the 2nd over 9 to the 7th.

You have 1/3 pound of sand for a project. You split the sand equally into 4 boxes what is your answer

During a promotional weekend, a state fair gives a free admission to every 175th person who enter the fair. On Saturday, there were 6742 people attending the fair. how many people received a free admission over the two days

On October 17, 2006 in an article called US Population Reaches 300 million, the BBC reported that the US gains 1 person every 11 seconds. If f (t) is the US population in millions t years after October 17, 2006, find f (0) and f' (0).

A number cube with the numbers 1 through 6 is rolled. What is the theoretical probability of rolling an even number?

Nell's mom makes chocolate milk with 30 ML of chocolate syrup for every 2 ounces of milk. Nell's dad adds 65 ML of chocolate syrup for every 5 ounces of milk.

Mary is 63.5 inches tall and her sister Tonya is 70 inches tall. Tonya wants to know how many inches taller she is than Mary. Which equation and solution can be used to solve this problem?