Why is no one or answering any of my questions asked so far? : ( i thought it said questions are normally answered with-in 10

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick