Find the sum of the vectors <7, -2> and <1,8>. Then find the magnitude and direction of the resultant vector. Round angles to the nearest degree and other values to the nearest tenth.

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

In the geometric progression –3, 12, −48… what term is 3,072?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?