5.Matrices M and N are shown below. 8.
M = [1 2]
N=
[13]
12
-5
Which of the following represent 4M - N ?
B.
-72
36
A. Li 14)
c. [ 34 36
[ -416
1406 24)
D.

try c hope this helps

Step-by-step explanation:

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls