Math homework help plz?

1.On their morning commutes to work, Golda travels 10 miles in about 15 minutes and Dale travels 23 miles in about 30 minutes. Who has the faster average speed? 2.Rolanda and Louis rode bikes at a steady pace along a narrow with no traffic. Rolanda rode 8 miles in 32 minutes. Louise rode 2 miles in 10 minutes. Who was riding fastest? 3.Fasiz and Kari were driving at the same speed along a bumpy country road. Fasiz drove 8 kilometers in 24 minutes. How far did Kari drive in 6 minutes? 7.Students at Langston Hughes School rode to camp on several buses. On the long dirt road leading to the camp, the buses covered only 6 miles in 10 minutes