Using the definitions of even integer and odd integer, give a proof by contraposition that this statement is true for all integers n : if 3 n - 5 is even, then n is odd.

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.