GUYS PLEASE ASAP I WILL FAIL IF U GUYS DONT ANSWER PLEASE

WHICH ONE IS INCORRECT

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano

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

Robert has 78 tomatoes and 56 cucumbers he wants to plant them in equal rows how many in each row