Please, I need help with this quiz!! Can someone explain to me how to do problems like these. Simplify: ( 1\5 - 1\10 ) Divided by 3 to the second power - 4\5 Simplify: (25 + 17) - | 37 - 13 | Simplify: |15.87 - 48.09| + | -79.67 + 42.31|

Which best explains why this triangle is or is not a right triangle?

What is the distance between the points (2, 5) and (5,9)?

Pranav and molly are selling pies for a school fundraiser. customers can buy blueberry pies and pumpkin pies. pranav sold 6 blueberry pies and 4 pumpkin pies for a total of $106. molly sold 6 blueberry pies and 3 pumpkin pies for a total of $90. find the cost of each of one blueberry pie and one pumpkin pie