Solve the system using the elimination method. 2x + 2y + 5z =−1

2x − y + z =2

2x + 4y − 3z =14

What x, y, and z?​

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?