If the mass of a material is 87 grams and the volume of the material is 14 cm3, what would the density of the material be?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Which type of wave can travel without a medium

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?