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.

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !