If the statement, \"if it is cold, then i wear a jacket,\" is assumed to be true, is it converse, \"if i wear a jacket, then it must be cold,\" also always true? . a. no. b. yes

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

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.