A certain substance has a half life of 1 hour. If you start with 3000 grams of the substance, how much will you have in 1 hour?

Which of the following is equivalent to 0.0009? A 0.0009% B 0.009% C 0.09% D 0.9%

If x = 45, then it is between 4 and 5 6 and 7 22 and 23 44 and 46

Write the equation 2y - 4x = 5 in the form y = mx + b

Josh is inviting his friends to a party. he has 42 granola bars and 56 fruit drinks, and he wants to give the same number of each item to each friend.

Which is bigger negative 5 or positive 5

What is equal to 20/40?

The figure below shows a rectangle with a diagonal drawn. Which equation shows the trigonometric relationship between complementary angles? sin (t) = sin (u) sin (s) = cos (u) cosis) = sin (v) cos (t) = cos (v)

The radius of a car wheel is 12 inches. How far will the car travel and 15 revolutions of the wheel?

If 15 workers can paint 18 houses in 24 days how many days will 40 workers take to paint 22 house

Gemma mean speed on her drive home from Chicago is 56 mph. If the total trip is 532 miles how long should she expect the drive to take?