Zara has forgotten her 4-digit PIN code. She knows the first digit is a factor of 10 and the 4 digits make a number divisible by 2.
How many different sets of 4 digits could it be?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?