A pool company is creating an image for a client that has the look of a 3-D image for a family pool and a similar dog pool. Find the value of an in the drawing below: Quadrilaterals MTVR and ZWBF are shown. Side MT measures a side TV measures 6, side VR measures 12, side RM measures b, side Z

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.