Sarah solves the equation as shown.
2(x + 3) = 8
1. 2x + 6 = 8
2. 2x = 2
3. x = 1

in which step did sarah use the distributive property?
1
2
3

Bed a is seven feet long. bed b is 7/8 of bed a. bed c is 7/8 of bed b. bed d is 7/8 of c. a. come up with an expression for the length of bed d. b. what is the length of bed d?

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?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?