Find the area under the curve y = 1/x^2 between the ordinates x=1 and x=5

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

What is the volume of a rectangular prism that is 120 centimeters by 2 meters by 1.5 meters in cubic meters?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers