pivot the system about the element in row 2, column 1. (enter the augmented matrix with all cells in their original position.)
1 2 4 3
2 8 6 4
−1 4 2 3

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076

c.)

step-by-step explanation: