The answer in 3 tenths and 1 hundredths is 0.31
The areas of a. circle is

the diameter is 2 times the radius, therefore
π (13/2)^2=132.665
Answer: about 132.7 in^2
We have been given two matrices a and b. A has 6 rows and 7 columns, while b has 7 rows and 8 columns.
Since we know that order matters in matrix multiplication. In order for matrix multiplication to be defined number of columns in the first matrix should be equal to the number of rows of in the second matrix.
We can see that number of columns in matrix a and number of rows in matrix b is 7.
Therefore, size of ab will be equal to number of rows of matrix a and number of columns of matrix b that is 6 by 8.
Now we will see whether ba is defined or not. We can see columns in matrix b are 8 and rows in matrix a are 6, which is not equal. So we can say that ba is not defined.
Therefore, size of ba is not defined (dne).
Answer:
C.) 28
Step-by-step explanation:
its flat angles long the bottom line cause it to be equal