Well im not sure about that but I think the answer is 42.5
Using the rule for 2x2 matrices,

the determinant for your matrix is
Answer:
Percentage change in number of members is -20%. Hope it helps
Answer:the answer D
Step-by-step explanation:
X=bb=balance 4 years ago
Given: balance now (X+4years), balance change (308
CurrentBalance-ChangeInBalance=Balance4YearsAgo
4708-308=4400
X=$4400