Suppose w is a subspace of set of real numbers r ℝn spanned by n nonzero orthogonal vectors. explain why w equals = set of real numbers r ℝn. the goal is to show that the subspace w is actually all of set of real numbers r ℝn. in general, when are two subspaces known to be the same space?

Suppose a triangle has two sides of length 32 and 35, and that the angle between these two sides is 120°. which equation should you solve to find the length of the third side of the triangle?

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean