How to find mean and standard deviation given mean and standard deviation of each variable?

Find the missing side: I have a square with 12m one one of the 4 sides. The Perimeter is 48. What is the missing side?

Factor the following polynomial: "4x2-16"

Thomas is throwing a graduation party for his son Michael. He went to the store and bought a total of 34 apples. The number of green apples is 8 less than 5 times the number of red apples. Answer all parts. 1.

Find the value of x 4x - 13 = 3x + 7

Which of the following properties is necessary to simplify the expression given below? (-2) + 5 (x - 3) - 4x (6 + 1)

Question for this answer - estimated product of two numbers that are not multiples of ten is 2800

5/4*6/25+6/5 ill even give brainliest

Why is humanity suffering from stupidity?

Karmas sister naps every day she fall asleep at 2:30 and wakes up at 6:00 pm how long does she sleep for

Evaluate (-2 4/5) - (-1 5/6)