Find Y. Round to the nearest tenth.
Z
20 ft
22 ft
Y
X 18 ft
Y= [?]°
Law of Cosines : c2 = a + b2 - 2ab cos C

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