Step-by-step explanation:
step 1. The square matrices are C and D.
step 2. If you add up the top rows you get 2, 8, -4 .
step 3. The answer is B.
Answer:
B C and D
Step-by-step explanation:
common sense
MA=80,5-35
MA=45,5
MN/MA=MP/MB
80,5/45,5=96,6/x
80,5x=45,5*96,6
80,5x=4395,3
x=4395,3/80,5
x=54,6m
Answer: 9 boys
Explanation:
3/11= x/33
11x= 99
x=9