Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
8R2 + R3 ? R3
Mathematics
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Find the median for each data set.99, 99, 93, 58, 70, 99
A. 99 B. 58 C. 93 D. 96
Mathematics
Add.
A. 23 B. 25 C. 22 D. 20
Mathematics
Solve the problem.You have 260 feet of fencing to enclose a rectangular region. Find the dimensions of the rectangle that maximize the enclosed area.
A. 67 ft by 63 ft B. 130 ft by 32.5 ft C. 130 ft by 130 ft D. 65 ft by 65 ft
Mathematics
Solve the problem.Ariel, a marine biologist, models a population P of crabs, t days after being left to reproduce, with the function 
. Assuming that this model continues to be accurate, when will this population become extinct? (Round to the nearest day.)
A. 1512 days B. 911 days C. 547 days D. 707 days
Mathematics