triangle DEF is on a coordinate plane with its vertices located at D(-3,5), E(-3,-2), and F(3,0). what is the area of DEF in square units

Thomas hiked 6 miles on monday 10 miles on tuesday and 8 miles on wednesday. what is the mean value closesst to the mean number of miles over the tree day period?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?