Find the determinant of the matrix and determine if the matrix is invertible.


-12, invertible

Mathematics

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Find the common difference,d, of the given arithmetic sequence.- , - , - , - , ...

A. -4 B. - 2 C. 5

Mathematics

Jane figures that her monthly car insurance payment of $140 is equal to 30% of the amount of her monthly auto loan payment. What is her total combined monthly expense for auto loan payment and insurance (rounded to the nearest dollar)? ?

A. $607 B. $467 C. $509 D. $42 E. $612

Mathematics

Show that f and g are inverses of each other by verifying that f(g(x)) = x = g(f(x)).;  

What will be an ideal response?

Mathematics

Multiply and simplify. ? 

A. 5m
B.
C.
D. 10

Mathematics