Choose all the expressions that are equal to 27 000 divided by 30

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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

Which of the functions below could have created this graph?