Answer:
15
Step-by-step explanation:
15 is 5 * 3 so is not prime.
To find the circumference of a circle you have to multiple the radius by 2 and also by pi. So, to find the radius when given just the circumference, who have to do the reverse operation and divide the circumference by 2 and also by pi to get the answer of 22.92993631, which you could of course round.
Answer:
Enlargement by a scale factor of 3 centre (1,0)
Step-by-step explanation:
5x7-3x8+11
35-24+11
11+11
The answer is 22