A cup of coffee contains 129 milligrams of caffeine. Suppose caffeine is eliminated from the body at a rate of 14.4% per hour.

What is the 1-hour percent change?

What does an equal sign with a squiggle on top mean?

the angle of elevation from a row boat to the top of a lighthouse 25m above sea level is 6°, calculate the horizontal distance from the boat to the lighthouse

Graph f (x) = 5x - 45. Show me on a graph

What is the length of the uhn known leg in the right triangle

Mandy knows that a 5 meter long metal bar has a mass of 40 kg. Mandy wants to figure out the mass (w) of a bar made out of the same metal that is 3 meters king and the same thickness.

Wat is gcf of 18a and 20ab

What equation can be used to solve for c? c = (5) cos (35o) c = 5/cos (350), c = (5) sin (35o) c =

A line segment that connects the legs of a trapezoid is called the

Required 1. The distance in kilometers to Proxima Centauri, the closest star to the Earth, is 39,900,000,000,000. Write this in scientific notation.

If x=5 what is y=-2x+3