A cup of coffee contains 130mg of caffeine. If caffeine is eliminated from the body at a rate of 11% per hour, how long will it take for half of this caffeine to be eliminated from a person's body?

143 equals the quotient of 164 and u

Find the are of the shaded region. Assume all inscribed polygons are regular.

What is 310,763,146 in expanded form

A taxi charges a flat fee of 4.00 plus 2.25 per mile how much will it cost to go 8.7 miles

Distributive property 5 * 23

If f (x) = 3x^2-2x+4. and g (x) = 5x^2 + 6x - 8find (f-g) (x)

The slope of a line is 1, and the y intercept is - 1. What is the equation of the line written in slope intercept form? The answers that I can choose are y=x-1 Y=1-x Y=-x-1

The perimeter of a rectangle is 56 m. The width 2 m less than the length. Find the length and width.

What is the equation of a circle with a center at (1, 1) and a radius of 5?

Your cell phone cost $24.99 per month plus $0.18 for each text message you send of receive. You must have at most $29 to spend on your cell phone bill. What is the maximum number of text messages that you can send or receive next month