Answer:
A. 13 1/5
Step-by-step explanation:
=10 3/5 + 2 3/5
=53/5 + 13/5
=66/5
=13 1/5
64x12-1,000 written as a difference of cubes is (4x4)3-103
Answer:
Therefore
and 
Step-by-step explanation:
Remember that if
= Identity Matrix
then
.
Also remember that for any invertible matrix
Identity Matrix.
Therefore

Therefore
and 
Answer:
17.76
Step-by-step explanation:
0.44 x 4 = 1.76
4 x 4 = 16
16+1.76=17.76