For each sequence, write an explicit formula. a) 1, -10, 100, -1000, 10,000

b) 10.2, 2.2, -5.8, -13.8, -21.8

What situation is an example of an observational study

If eh = hg and hg=16, find the diameter of k

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression