calculate the variance and standard deviation for the following sample: 15,15,22,45,10,30. Round your answer to the nearest tenth.​

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Put the equation in slope intercept form by solving for y

2.5 milligrams is equivalent to how many grams