Find the square of 65 by column method.​

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)