Ryan is building a tree he use. It will take hours to complete. He can work on the tree house hours each day. tow many days will it take Ryan to complete the tree
house?

Name these type of angles shown check all that applies

Aline passes through 3,7 and 6,9 what equation represents the line

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.