1. In professional baseball, the distance to each successive base is 90
ft. If the distance from home to the pitcher's mound is 60!5', how far
is it from the pitcher's mound to 2nd base? Show this distance is
66.8' using two different methods. (Hint: Pythagorean Theorem,
special triangles, or Trig ratios).

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.