What is the solution of the system

x + y=0

y=2x+6

A cable is 84 meters long is cut into two pieses so that one piece is 18 meters longer than the other. find the length of each piece of cable.

Bryanna performed an experiment in which she flipped a coin and recorded the results. She got heads up 23 times and tails up 27 times Which statements are true about the experimental probability of getting tails up?

Marcus is trying to calculate the price of a pound of candy. He is doing calculations on his calculator and comes on with $2.348 per pound. How much is Marcus going to pay per pound? How is rounding applied in this situation?

The length of the hypotenuse of a right triangle is 14 inches. If the length of one leg is 6 inches, what is the approximate length of the other leg? A. 11.5 inches B. 12.6 inches C. 15.2 inches D. 20.0 inches

Jose works 25 hours a week at $12.50 per hour. How many weeks will he have to work to earn $3,437.50?

Put these numbers in order, smallest to largest 4.9 9.44 9.4 4.09 4.99

How many people are between 159 cm and 179 cm

What fraction is equivalent to 5.1? is 5.1 a rational number?

Natalie has a choice of three breads, five choices of meats, and four choices of cheese to make a sandwich. how many different sandwiches can she make?

What is the area of this triangle 12 inches and 3 inches