A is correct.
A sum is addition
Square is represented by small 2
Answer: A
Answer:
2,3 &13
Step-by-step explanation:
78=2times39=3times13
therefore the prime factors of 78=2,3,13
Answer:
An exponential
Step-by-step explanation:
The second one is ratio
Answer:
7y^2
Step-by-step explanation: