talk to m im bored my gf to busy lke om. fg like she leaving m but anyways talk to m or just wtv

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document