Simplify the expression. square root 6( square root 33+7)

When only separate discreet points are graphed it is called?

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

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?