How to solve. 9x + y = -25
5x - y = -3

So me with this math problem. find the value of x the table shows the masses of 50 eggs. mass: 40-44 eggs: 6 mass: 45-49 eggs: x mass: 50-54 eggs: 12 mass: 55-59 eggs: 10 mass: 60-64 eggs: 7 mass: 65-69 eggs: 2 you!

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

What additional information could be used to prove abc =mqr using sas? check all that apply.