What is the geometric mean of 3 and 147

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

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.