May someone plz answer dis thx

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?

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Finding tbe values of the variables in each kite