What is the sum of the first six terms of the geometric series? 2-4+8-16+

-420

126

-42

42

Dave buys a basketball for $20 plus an 8% tax. Mel bought a football for $28 plus an 8% tax. Enter the difference that Dave and Mel paid, including tax. Round your answer to the nearest cent.

8 in. 7 in. 8 in. 12 in. Find the perimeter of the figure.

On a baseball diamond, 1st base, 2nd base, 3rd base, and home plate form a square. If the ball is thrown from 1st base to 2nd base and then from 2nd base to home plate, how many feet has the ball been thrown?

What is the square root of 9389276537

4^0.2x + 6=43, solve for x

What is 39009909 times 339494

What is 13,507,804 in standerd form

You have $500 in a saving account that earns 3% simple interest per year. How much money will be in your account in 10 years

Janet has $120. If she saves $20 per week, in how many days will she have $500?

Bob is trying to decide between two cell phone plans. Plan A has no flat fee, but the user must pay 10 cents per minute on the phone. Plan B requires a one-time fee of $20, but only requires a payment of 5 cents per minute on the phone.