PLS HELP OMG LOL I ONLY HAVE like 2 MIN LEFT ANH

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight