What geometric term does the surface of a frozen ice skating rink represent

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3