Starting at home, omar traveled uphill to the gift store for 30 minutes at just 10mph. he then travelled back home along the same path downhill at a speed of 30mph. what is his average speed for the entire trip to the gift store and back?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Liang bought a basket of apples to make pies for her friends. the basket of apples weighed p pounds. before she had time to make the pies, she ate 3 pounds of apples. there are 17 pounds of apples left to make pies.

Afile that is 274 megabytes is being downloaded. if the download is 12.8% complete, how many megabytes have been downloaded? round your answer to the nearest tenth.