A Normal density curve has which of the following properties?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details