The dashed-lined figure is a dilation image of the solid-lined figure. Is the dilation an enlargement or a reduction? What is the scale factor of the dilation? A. 6; enlargement
B. 3; enlargement
C. 3; reduction
D. ; reduction

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.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,