If the mean for a sample of 8 people was 10 and the mean for a second sample of 4 people was 20, what would the weighted mean be equal to?

A cylinder has a radius of 10 inches and a height of 6 inches. About what is its volume in cubic inches? Use 3.14 for π. 60 cu. in.

The function s (t) represents the position of an object at time t moving along a line. Suppose s (1) = 122 and s (4) = 209. Find the average velocity of the object over the interval of [1,4].

The school taxes on a house assessed at $210,000 are $2340. At the same tax rate, what are the taxes (to the nearest dollar) on a house assessed at $275,000

The ratio of green marbles to total marbles in a bag is 2:9. The ratio of red marbles to total marbles in the same bag is 1:3. Which of the following statements is true? There are more green marbles in the bag.

Which expressions are equivalent to 4^-2*7^-2

Graph the equation y=.6 on the coordinate plane

What is the solution for - 8-10/2+8?

Turn 132/11 into a mixed number and 56/17 and 94/93

How to calculate the percentage difference between two numbers?

Translate the verbal phrase into an algebraic expression. The sum of 3 and 5y multiplied by 17.