A circus rents a rectangular building that has floor dimensions of 50 by 100 feet. The building can fit 2 circus rings shaped like circles each with a diameter of 42 feet. To the nearest square foot how many square feet of the floor are not taken up by the 2 circle rings.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

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