Without repitition make a trangle witht he same volume with numbers 0-9

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

The function show two sisters' savings account and the rate at which they plan to deposit money

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.