As part of a sixth-grade class project, the teacher brings to class a large jar containing 200 gumballs of two different colors: red and green. andy is asked to draw a sample of his own choosing and estimate the number of red gumballs in the jar. andy draws a sample of 4040 gumballs, of which 88 are red and 3232 are green. use andy's sample to estimate the number of red gumballs in the jar.

If the dimensions of a rectangular prism are 5 ft x 3.5 ft x 2 ſt, what is the surface area?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?