300000 x 20000 in standard form please!!!

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

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176