Solve the system of linear equations by substitution x+4y =37 y = -x + 16

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!

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Suppose i flip two identical coins. what is the probability that i get one head and one tail?