Which expression is equivalent to -4(x-2)-1/2(2x+6)

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.