How many combinations of three books can be selected from 40 books?

A construction worker needs 3 2/3 pounds of concrete mix. He has 1 1/2 pounds of concrete mix in one bag, and he has 3 1/0 pound of concrete mix in another bag.

Which of the following is a counter example for the hypothesis all parallelogram are rectangle

Does the measure of the angle get larger as it's rays get longer?

A motorist travels between two towns. It usually takes 6 hours when travelling at a certain speed. He finds that if he reduces his speed by 15 km/hr his journey will take 1 hour more. Find his usual speed.

1. You order books through a catalog. Each book costs $12 and the shipping and handling cost is $5. Write an equation and make a graph that represents your total cost. a. What is the total cost if you buy 6 books? b.

0.563 wrote as a fraction

The quotient of 5:6 rounded to the nearest hundreth

How do you long divide with 3 digits?

Is 1/2 and 2/4 are equivalent fractions?

Let f (x) = 1-x and g (x) = x^3+4, find (f°g) (0)