John weighs 65 kilograms, Sam weighs 22x kilograms, and Mark weighs 13x kilograms. Write an expression in simplest form for their combined weight

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

How to do this , and can some one explain