Solve all of them step by step (12 points! ) (a) . 2x + 4(x-1) = 2 + 4x (b) 25 -x = 15 - (3x +10) (c) 4x = 2x + 2x +5 (x - x)

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Suppose your sat score is 2040. a college with an average sat score for admintted students of which of these would most likely be your best option?

How many revolutions will a car wheel of diameter 28 in. make over a period of half an hour if the car is traveling at 60 mi/hr? the final answer is supposedly 21,609 but i have no idea how to get that, show work : )