.There are 20 novels on your bookshelf, 10 mystery and 10 apocalyptic vampire wizard romance. You want to read each one this summer. You pick one at random, read it, and put it in your desk when you’re done. What is the probability you grab a mystery the first time and a AVWR the next time?

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.

Which two angles in the figure are adjacent angles?