The school store is running a promotion on school supplies. Different supplies are placed on two shelves. You can purchase 3 items from shelf A and 2 from shelf B for $19. Or you can purchase 2 items from shelf A and 3 from shelf B for $16. This can be represented by the following system of equations.

3A+2B=19

2A+3B=16

(urgent, please answer as soon as possible)

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

.25

step-by-step explanation:

answer: what are the answer choices?

step-by-step explanation:

15: 24

62.5%

step-by-step explanation: