Agame show airs on television five days per week. each day, a prize is randomly placed behind one of two doors. the contestant wins the prize by selecting the correct door. what is the probability that exactly two of the five contestants win a prize during the week? express your first answer as a fraction in simplest form, and round your percent answer to the nearest hundredth.

If square root x = -7, then x= -49 true or false

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

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