Rick had $20. He spent $10 on food, $6 on a movie ticket, and saved the rest. ( Pls answer both questions )

A. How much money did he save ?
B. What fraction of the total amount did he save ?

What is x and y intercepts for y=x+7

If you could answer these your a life saver

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.