A tuition bill for school states that Brenda owes $438. She wants to pay off her bill in 6 months. Write and solve an inequality
that gives the least amount she can repay each month.
1 answer:
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Answer:
So, option A is correct.
Step-by-step explanation:
To find the inverse of the matrix, the formula is:
Inverse of the matrix exists if |A| does not equal to 0
|A| = 7 * 9 -( -2 * -10)
|A| = 63 - 20
|A| = 43
AS |A| ≠ 0
so inverse exist.
now finding Adj A
=
So, option A is correct.