The half life of substance A is 18 18 years, and substance B decays at a rate of 30 30 % each decade. (a) Find a formula for a function () f ( t ) that gives the amount of substance A, in milligrams, left after t years, given that the initial quantity was 100 100 milligrams.

Plz (02.03 mc) which sequence of transformations will change figure pqrs to figure p′q′r′s′? (5 points) select one: a. counterclockwise rotation about the origin by 90 degrees followed by reflection about the x-axis b. counterclockwise rotation about the origin by 90 degrees followed by reflection about the y-axis c. counterclockwise rotation about the origin by 180 degrees followed by reflection about the x-axis d. counterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axis

Questions 14 through 23, choose the onest answer. write your answer in the box forestion 24. mark your answer on the coordinatene grid for question 25.the sum of three consecutive even numbers is 96.what is the largest of these numbers? (a) 30(b) 32(c) 34(d) 36

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497