The answer would be 30 over 4
Answer:

Step-by-step explanation:

Therefore the answer is

Answer:
63
Step-by-step explanation:
Since a1=7 and the question is to find a9, you just have to multiply 7 and 9 which is 63
9/15 becomes 90/15 but now u have a point on ur answer so it would be .6 as 15 times 6 equals 90