Từ các chữ số 0,1,3,5,6,9 có thể lập thành mấy số tự nhiên có 4 chữ số khác sao cho : a) nhỏ hơn 3580
b) chia hết cho 2
c) là số tự nhiên lẻ
d) chia hết cho 9
giải chi tiết (chia ra các trường hợp như bài vd dưới ảnh giúp e )

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.