Juan runs 6 miles in 30 minutes. At the same rate, how many miles would he run in 35 minutes.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?