( 4.5 x 10 ⁴ ) ÷ (300) =

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.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?