This is scene #6 in the CSI matrix algebra packet. The answer is D = 60 I just need a clear step by step on how to find D = 60. The x1, y1 are vertices on the triangle. x2, y2 is another one. It’s finding the determinant so expansion by minors would work.

How many grams are in 8 kilograms? if 100 grams = 1 kilogram

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?