An artifact was found to have an original amount of carbon - 14 of 12 grams. approximately how many grams of carbon 14 remains after 5000 years? carbon 14 decays at a rate of - 0.00012 grams per year

The pyramid shown has a square base that is 12 centimeters on each side. The slant height is 18 centimeters. What is the surface area of the pyramid?

What is 5+5+2+100000000

1/2x + x + 1/5y + y = 32

Factor 42x+28y using the GCF the factored expression is

1. 14 minus the quotient of 25 and p 2. a number w tripled plus t quadrupled 3. the product of 13 and m plus the product of 2.7and n 4. the product of 2 times a and 5 times b

If 4x=32 find the value of 35-5x

On Saturday, a local hamburger shop sold a combined total of 520 hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the number of hamburgers sold. How many hamburgers were sold on Saturday

Find the area of the circle with a circumstance of 6.28 units

800 employees work for the Metropolitan Transportation Company 1/4 of these are collage graduates, while 5/6 of the remainder are high school graduates. What part of the employees never graduated from high school?

In a local city, the temperature at noon is Negative 3 degrees Celsius. The temperature is expected to decrease by 2.5 degrees Celsius each hour until the temperature reaches Negative 18 degrees Celsius.