PLEASE HELP NO LINKS OR FILES PLEASE I NEED HELP THIS IS TIMED ​

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.