Kendra lives 10 km from the northern tip of Swan Lake and 6 km from the southern tip of Swan Lake. What is the north-south distance across Swan Lake?
A 4 km
B 8 km
C 12 km
D 15 km

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