Can someone help on 8 and 9, please

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Simplify 6sin θsec θ. choices a) 6 tan θ b) 6 cos θ c) 6 cot θ d) 6

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.