What is the value of x in the equation 3x – 1/9y = 18, when y = 27? a. 5 b. 7 c. 45 d. 63

Determine the area of a triangle with (see picture below)

Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.