A population of n?20 scores has a mean of? 15. one score in the population is changed from x? 8 to x? 28. what is the value for the new population mean?

Aaron bought 132 inches or wire he cut the wire into 9 pieces that were the same lenght what is the length of each piece or wire

Find the range of { (3.2, - 3), (7.6, 5.9), (1.4, - 3), (-9.1, 8.3) }. {-3, 1.4, 3.2} {-9.1, 1.4, 3.2, 7.6} {-9.1, 5.9, 7.6, 8.3} {-3, 5.9, 8.3}

Solve the equation 4c=3 c =

How do you write nine hundred forty-three million, two hundred sixty one thousand, five hundred eighty six using base ten numbers

Rewrite 3x+5y=11 and - 5x+7y=9 in slope intercept form

What's 12 rounded to the whole number

A bag has 4 yellow marbles and 16 blue marbles. half of the blue marbles are made of plastic. a marble is selected at random from the bag. what is the probability that it is a blue, plastic marble?

How does the volume of a prism change if each dimension of the present is doubled

In 2010, Car A was the highest mileage car available in a country. It's estimated highway mileage was 4 miles per gallon more than car B. if the two cars could travel a total of 90 miles on a gallon of gasoline, find the mileage of each car.

Person A buys 12 granola bars and 7 cups of yogurt for $15.50. Person B buys 6 granola bars and 11 cups of yogurt for $11.50. Find the cost of each item