Given the vector u equal to 5⟨cos165 ,sin165 ⟩ and vector v equal to 8⟨cos20 ,sin20 ⟩, find the sum of vector u+v and write your answer in magnitude and direction form

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi