explain why the set {4,4,20,20} has a standard deviation of 8

Explain what it means for a system of linear equations to have no solutions, one solution, two solutions, and infinite solutions.

Solve for y. 3x+5y-15=0

Solve each equation 2x=5

A fish can swim up to 40 miles per hour? What is the speed in feet per hour?

Josh is hiking Glacier National Park. He has now hiked a total of 17 / text{ km}17 km17, space, k, m and is 2 / text{ km}2 km2, space, k, m short of being / dfrac12 2 1 start fraction, 1, divided by, 2, end fraction of the way done with his hike.

60,000 pounds is how many tons

Greg sets his watch for the correct time on Wednesday. one week later, he finds his watch lost 3 1/4 minutes. if this continues what will be the overall change in time after 8 weeks.

1) What is the product of 0.976 and 1.2? A) 1.1712 Eliminate B) 0.11712 C) 11.712 D) 117.12

Kara started working for $9 per hour she earns a 4% raise every year what his her hourly rate wage after 3 years

Each wheel of Gia's bicycle is 24 inches in diameter. Gia rides her bike 1,884 feet. To the nearest whole number, how many times does her front bicycle wheel turn all the way around?