Luis has $60 in his savings account. He earns $12 per hour at his job. Luis plans to buy a bicycle for $240. If he uses his savings, how many hours does Luis need to work in order to have exactly $240 to buy the bicycle?

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.