Is there supposed to be a picture
Answer:
The sum of the digit of the product is 13
Step-by-step explanation:
Given

Solving (a): The product


Solving (b): The sum of the digits


15 inches long add 7+5 to get the full total of miles
Answer:
can't see that
Step-by-step explanation:
Answer: 36 cm
Explanation: Use Pythagorean Theorem to solve the question: a^2+b^2=c^2