Pls Help! Show all your work ty! On a shopping trip, Marge drove 3 km at 60 km/h, 5 km at 120 km/h, and 3 km at 40 km/h. Her average for the whole trip was...
A) 20 km/h
B)73 1/3 km/h
C) 81 9/11 km/h
D) 66 km/h
E) 65 km/h

If i have 20$ and i gave 5$ away how much i got

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.