An element’s radioactivity is decreasing at a rate of 8% per year. Which expression can be used to determine the decay factor? A. (1 – 0.08) B. (1 + 0.08) C. (1 – 8) D. (1 + 8)

Which of the following is a proper fraction? a. 9⁄8 b. 5⁄6 c. 7⁄3 d. 4⁄2

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6