Answer:
Step-by-step explanation:
the first one
Answer:
Answer is C
r= 3
there are 4 circles.
total area of circle = 4 π 3²
so shaded area = 12²- 4π3²= 30.90
Step-by-step explanation:
9/12 is the answer, you can't simply then down anymore
Answer:
5 x 199
Step-by-step explanation:
You can see that it is divisible by 5, a prime number, because it ends in 5. Once you divide it, you get 199 which itself is a prime number.
