ANSWER

EXPLANATION
The dimensions of a matrix is of the form:

The dimensions of the first matrix is

The dimensions of the second matrix is

Since the inner products are the same,the outer products give the dimensions of the product of the two matrices.

Therefore the dimensions of the product is a 2×2 matrix.
Answer: 5
15/3 = 5
There are 5 doughnuts left.
$12.95 multiplied by 7 days is $90.65
$2.25 multiplied by 4 days is $9
When you add the two together it equals a total cost of $99.65
X = 36
because angle 108 = 3x
3 x 36 = 108
hope it makes sense, if you have any questions let me know