Answer: We don't see the pics
Step-by-step explanation:
Answer: 8
Step-by-step explanation:
Answer: Wrong formula, forgot to input the radius instead
Step-by-step explanation:
Formula is pie times radius^2
Find radius by dividing the diameter by half then multiplying it by pi (3.14)
Answer:
Step-by-step explanation:
Given is the system of equations:

a) Coefficient matrix is
7 3
-6 -3
b) |A|= -21+18=-3
c) Inverse =
1 --1
2 -7/3
c) Solution = product of inverse matrix * (12 4) Transpose
X1 = 16 and X2 =-100/3