Is 10,635 an odd number

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

How many ordered pairs of positive integers satisfy xy=32?