Molly has 3 pictures hanging on her bedroom wall. One is a 4 inch square, one is a rectangle that is 5 inches by 7 inches, and the third is a triangle with a height of 10 inches and base of 12 inches. What area of Molly’s wall is covered by pictures?

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?