Find the value of cos 315 degree

A football team made the following gains on four plays : 9 yards, - 11 yards, - 2 2/3 yards, 6 1/3 yards. What was the net change in position of the football team as a result of the four plays?

A restaurant bill before tax is $15.50. How much is a 15% tip for this bill? How much money should be left for the whole bill?

Use the system {6x4+10y=49x4+15y=6 and its graph to answer the questions.

Leo wants to buy some shoes. He found the shoes at three different stores for a price of $35. The stores are each having a sale. Store X is offering 15% off the price of the shoes. Store Y is offering $5 off the price of the shoes.

9. The supervisor of a call center would like to assemble a committee of 8 people from a staff of 15 call center agents How many different committees can be chosen? 1. 120 2. 6,435 3. 32,432,400 4.259,459,200

Lands mother gave her and her two sisters $21 to spend at the movies. If each girl gets the same amount, how munch do they each spend?

If 5 potatoes together have a mass of 1 kilogram and 8 pears together have a mass of 1,200 grams, which has the greater mass, a potato or a pear? explain

An antique has a price tag of $150. The sales tax rate for the county is 8%. How much sales tax will be due?

A volume of 46cm3 of silver has mass of 483 grams. what is the destiny of silverado grams per cm3?

Alex originally paid $5200 for her car 1 year ago. The value of her car now is $4,420. What is the percent of decrease in the value of her car?