Decide whether the given ordered pair is a solution to the system of equations. y=2x-6
x+y=8
(4,2)

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Is the figure congruent? yes or no?

Maria has $10,000 to invest in two accounts.he decides to invest one part in an account with 5% interest and the rest in an account with 8% interest. at the end of the year he has earned $702,50 in interest.¿how much did maria invest in the 8% account?