The mean of 20 observations is 50. If the observation 50 is replaced by 140, what will be the resulting mean?

A cylinder has a volume of 225π inches 3. What is its height, if its radius is 10 inches?

Find the greatest common factor of 16 of 48

A plate has a diameter of 14 inches. What is the approximate circumference of the plate? A. 21.98 in. B. 43.96 in. C. 87.92 in. D. 153.86 in.

What conversion factor would be used to convert gallons to quarts?

Xavier is celebrating his birthday at his favorite pizza place the all-you-can-eat meal cost $10 per adult and $8 per child he wants to stay under a budget of 160 for the party and he wants to invite at least 10 people how do i write a system of

Ariana has $1.40 worth of nickels and dimes. She had twic as many nickels as dimes. Determine the number of nickels and the number of dimes that Ariana has.

Who are the Cherokee

1. In 2005, there were 100 rabbits in Polygon Park. The population increased by 11% each year. a. Write an exponential growth function that represents the population t years after 2005. b.

Find the sum of the first eight terms of the geometric series 1 + 2 + 4 + ...

Multiply or divide as indicated. x - 8 • x - 2