Please help this is a test

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)?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Plz ( true - false) all triangles have interior angles whose measure sum to 90.