Is the array with value $[28,12,19,8,6,7,16]$ a max heap?

$$ Suppose that you have the following array of numbers A$=[17,21,35,6,12,5,8,26].$

$($a$)$ Draw the heap $($as a complete binary tree$).$

$($b$)$ Build a Max heap by using Heapify.

$($c$)$ Show what happens when the function Insert $(10).$