4. determine through justification whether s is a subspace of v for the following a) v=r^2, s = {(x, x): x € r) b) v= m_2(r, s = {2x2 orthogonal matrices}

The answer is 225 miles per 4.5 hours. hope this ; )

32

step-by-step explanation:

these are your clues: 1. kim ran 18 races2. this was four fewer races than twice thenumber, notice it says twice the number, so you would do the equation 18x2-4; which equals the number 32.thus, 32 is your answer.