(4.5+7.6)-8*2.5 i really need with this problem

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Consider the graph of the exponential function y=3(2)×

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field