Iodine-131 is a radioactive material with half-life of eight days. a scientist starts with 100 grams of iodinie- 131. which function can be used to estimate the number of grams of iodine-131 remaining at the end of x days? a. f(x)= 100(0.92)^x b. f(x)= 100 (1.09)^x c. f(x)= (0.92)^x d. f(x)= (1.090^x

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)