How do you find the values of all six trigonometric functions of a right triangle ABC where C is the right angle, given a = 20, b = 21, c = 29?

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

Pls never taught i’m really confused and i rlly need

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates