Kamal write the augmented matrix below to represent a system of equations. which matrix results from the operation -3R2<->R?
1 0 1 =-1
1 3 -1 =-9
3 2 0 =-2

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Write a corresponding real world problem to represent 2x - 125=400

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f