a group of neighbors were cleaning up in their neighborhood they were able to clean up 20 out of 60 yards what is the ratio of yards they cleaned

Prove that quadrilateral is a rhombus.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?