PLEASE HELP DONT ANSWER IF U DONT KNOW THE ANSWER! Students in a school were asked to collect old bottles as part of a recycling drive. Some of the data recorded at the drive is shown in the histogram below: look at the picture!

What is the value of the digit 1 in the number 13?

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Plz hurry evaluate the expression a+b where a=8 and b=19