There is a stack of 10 cards, each given a different number from 1 to 10. suppose we select a card randomly from the stack, replace it, and then randomly select another card. what is the probability that the first card is an even number and the second card is less than 5?

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.