Three out of every five pairs of socks in a package are brown. The rest are black. First, complete the model shown for each question using the ratio given. Then, calculate your answer from the model and explain you
reasoning.
How many pairs of socks are brown in a package of 10 pairs of socks?

Find the value of the cosine for angle a

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?