F is inversely proportional to d^2
When F=11, d=5.
Work out F when d=2

What is the factored form of the following expressions? d^2 – 13d + 36

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?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42