Answer:
x=2
y=4
Step-by-step explanation:
Explanation is in picture
Answer: 254,34 mm².
Step-by-step explanation:

Answer:
7/10 or 70%.
Step-by-step explanation:
There is a total of 20 marbles in the bag.
There are 10 + 4 = 14 marbles which are not blue.
The required probability = 14/20
= 7/10.