On the bus there are 42 boys and 30 girls. What is the ratio of girls to boys in SIMPLEST form? Helppp plz

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

10% of 1,900,000. show me how you got the answer

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.