The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product can be calculated. A is 1 x 4; B is 4x1. O A. AB is 1 x 1; BA is 4x4. B. AB is 4x4; BA is 1x1. C. AB is 1 x 1; BA cannot be calculated. D. AB cannot be calculated; BA is 4 x 4.

true

explanation:

the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

step-by-step explanation:

the answer is $42.96

step-by-step explanation:

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.