what is 274736475247 -9857736546735=837463859847 times 756384375 ( looking for a bf i am 13) this is for class and a dare

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Anyone know these questions? i need ,.

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides. should be his answer