ANSWER FOR 10 POINTS! Find the measure of B and show what equation you used to find the answer!! PLS THE EQUATION IS THE IMPORTANT PART DO NOT LEAVE IT OUT! ILL GIVE BRAINLIEST. NO SPAM LINKS OR ILL REPORT

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

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.

Answer! if you don’t mind, can you explain