Yesterday, the outside temperature in the morning was 6.2°C. By lunchtime, the temperature had risen 12.9°C.
In the evening, the temperature dropped 7.5°C.
What was the outside temperature in the evening?

George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

Consider the reflection of parallelogram pqrs across the line of reflection, . if rr' = 14, then rz = . if sx = 5, then = 5.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?