Find the perimeter of the trapezoid round to the nearest 10th if NEEDED

Which function is represented by the graph

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with