Answer:
C. 
Step-by-step explanation:
Based on the Indice Law:
×
= 
3² ×
=
=
Divide the arrow into upper triangle and lower rectangle
area of triangle :-


area of rectangle :-

add both the area :-
area of triangle+ area of rectangle = area of arrow
310 + 300 = 610 cm²
Answer: Option 2
Step-by-step explanation:

Divide 15 by 3 and substract the variables's exponents.

Solve;

or

Answer: 12:9
Step-by-step explanation:
He had 12 milk chocolate bars and 9 almond chocolate bars so the answer is 12:9
And it is also 12:9 is because they ask milk chocolate TO almond chocolate .