The scores of 5 students in an examination are 6,5,8,7 and 4. find the variance and standard deviation

Mx+4=3t, solve for x

There are a total of 126 people in a group. One person in seven has a cat for a pet. How many people do not have a cat?

A company's annual profit increases by $2,500 per year. In 2000, the profit of the company was $50,000. What was the total profit for 2007 if you assume the profit trend remained the same? A. $52,500 B. $65,000 C. $67,500 D. $70,000

3/4 times what equals 12

How do I find the y intercept of a table?

Maury completed a bicycle race 1.5 hours faster than Vince at an average speed of 16 miles per hour. Vince completed the same race at an average speed of 12 miles per hour. How many miles was the race?

X^3 - 3 x^2 + 2 x - 6 > 0

The radius of Earth is 6,378.1 km, which is 18,983.9 km less than the radius of Uranus. Find the radius of Uranus.

Solve for x. s=3w+2x

Andre wants to save $40 to buy a gift for his dad. Andre's neighbor will pay him weekly to mow the lawn, but Andre always gives a $2 donation to the food bank in weeks when he earns money.