The weight limit of an elevator is 2,200 pounds. Michelle is solving an inequality to determine how many 40-pound boxes she can safely bring in the elevator with her if she weighs 110 pounds and has a 10-pound push cart.

There is a closed circle on 55.

There is a closed circle on 52.

The solution set contains the point 51.

The arrow points to the right.

The arrow points to the left.

There is a closed circle on 55.

There is a closed circle on 52.

The solution set contains the point 51.

The arrow points to the right.

The arrow points to the left.

34

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,