1 Express the matrix |1 -3
12 3
5
5
-1
-23 in reduced row echelon form.
12
11 0 0
A.) 0-1 0
lo 0 1
4
-2
11 0 0
B.) 10 1 0
10 0 1
11
C.)
LO
0 0
1 0 -3
015
0 0 3
D.) 0 1 0 1
Lo 0 1 -2]

() at a farm, animals are fed bales of hay and buckets of gain.each bale of hay is in the shape of a rectangular prism.the base side lengths 2 feet and 3 feet,and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.