Acertain bcd-to-decimal decoder has four input lines and 10 output lines. if four input lines are capable of 16 possible combinations and only 10 output combinations are required, why have four inputs?

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Fifty students are trying to raise at least 12,500 for a class trip. they have already raised 1,250. how much should each student raise on average in order to meet the goal? write and solve the two step inequality for this problem