A chemist is logging the decay of two different substances. The number of grams in Substance A is
represented by f(t) = 50(0.92) and Substance B is represented by f(t) = 90(0.5386)2 in days.
a. Identify the initial amount of substance A and Substance B.
Substance A
Substance B
b. What percent of each substance decays each day?
Substance A
Substance B

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount