Following rules matricies sum, the position (1,3) of the matrix A, in which position should be added to a matrix B

Select the appropriate response:
A) (3,1) de B
B) (1,3) de B
C) can’t be Add
D) All row 3 on B

Help

Joey is buying plants for his garden. he wants to have at least twice as many flowering plants as nonflowering plants and a minimum of 36 plants in his garden. flowering plants sell for $8, and nonflowering plants sell for $5. joey wants to purchase a combination of plants that minimizes cost. let x represent the number of flowering plants and y represent the number of nonflowering plants.