The boardman family walked 2/5 of a mile in 2/7 of an hour. what is their unit rate in miles per hour? 20 points

5x−4≥12 or 12x+5≤−4 can you with this problem

Factor the polynomial by its greatest common monomial factor.

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds