Prove that a polyhedron has faces that are triangles, then the sum of its faces must be an even number. Give an example.

35 points, ! name one pair of congruent sides. a. segments pr and sv b. segments qr and st c. segments rp and ts d. segments pq and vs

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?