Select the 4-subset from {1, 2, 3, 4, 5, 6, 7, 8, 9} that is the next one in lexicographic order after {2, 4, 6, 9}. O (2, 4, 7, 9) O (2,7, 8, 9) O (2, 4, 7, 8} O (2, 5, 6, 7}

Ann had 60 fliers to post around town. Last week, she posted 2/3 of them. This week, she posted 4/5 of the remaining fliers. How many fliers has she still not posted?

My little sister owes my mom $10 right now, and she gets an allowance of $7 every week. She wants to buy a $15 Toy but she has to pay back my mom first.    Model this story using motion on a number line.

I do not know how to help my daughter with this type of math how do we solve this