PLEASE HELP ME I NEED HELP ASAP 1. which identity could be the missing step to verify the identity (cos ø)(csc ø)= cot ø?
a. cos ø(1/secø)=cot ø
b. cos ø (1/sin ø) =cot ø
c. sin ø(1/csc ø)= cot ø
d. cos ø(1/tan ø)= cot ø

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

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?