Charlotte needs 58 apples to bake enough apple pies for the county fair. She has 40 apples. If apples are sold in bags of 6, how many more bags of apples does Charlotte need to buy?

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.  

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Math i have no idea how to do a and b