Which of the following is the standard deviation of the random variable x, the number that appears on a die, if the probability of any number on a fair, 9-sided die is 1/9?

A. 2.582

B. 2.739

C. 0.11

D. 4.5

How to find the surface area of a prism using the formula s=ph+2b

Which statement is true? A. Every rational number is a square root. B. Every irrational number is a fraction. C. Every rational number can be written as a fraction. D. Every square root can be written as a whole number.

Three brothers share 2 sandwiches equally. How much of a sandwich does each brother get?

A cylinder has a volume 78cm3 what is the volume of a cone with the same radius and heigh

Item 22 Question 1 You have a coupon for 10% off the sale price of a surfboard. Which is the better buy? Explain your reasoning.? 40% off the regular price? 30% off the regular price and then 10% off the sale price

Shirley Benson works for Levityskool assembling toys. She is paid $2.20 for each item she assembles. How much does she earn for a week in which she assembles 278 toys?

A study of diet and weight gain deliberately overfed 16 volunteers for eight weeks. the mean increase in fat was x = 2.81 kilograms and the standard deviation was s = 1.32 kilograms. what are x and s in pounds? (a kilogram is 2.2 pounds.)

A ver y Strong wind is Blowing over a big lake. A flock of geese begins their 5 (10) 3 meter journey home over the lake. For every 5 (10) 2 meters the geese fly over the lake, they are blown back 5 (10) 1 meters by the wind.

Scientific notation for 46,072,000

You are designing a ramp where the horizontal distance is twice the vertical rise. what will be the ramp angle to the nearest tenth of a degree?