Aiden calculated the area of triangle qrs below by finding half of the product of 1.5 and 1.1. what error did aiden make?

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

Which letters from the table represent like terms? a and b b and c a and d b and d

Opposite angles in a parrellelogram are