the graph plots four equations a, b,c and d which pair of equations has (4,8) as it’s solution equation a and equation c

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 value of y? round to the nearest tenth

If sin(x) = 0 and cos(x) = 1, what is tan(x)?