3xy - 4xy =

6x²y - 7x² y² =

-2ab - (-sab) =

10mn³ - (-5mn³ =​

Marcus built a model car that is 4 inches wide. what scale was used to build the car if the actual width of the car is 6 feet? a. 1 in. = 2 ftb. 1 in. = 2.5 ftc. 1 in. = 1.5 ftd. 1 ft = 1.5 in.

Which system of linear inequalities is graphed? can somebody pleasssse

41/17 as a decimal rounded to the nearest hundredth