Mario’s company makes unusually shaped imitation gemstones. one gemstone has 12 faces and 11 vertices. how many edges does the gemstone have?

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

Don't know how to find x given these segment lengths

The reflexive property of congruence lets you say that ∠pqr ≅