What is the solution (a, b) to this system of linear equations?

step-by-step explanation:

mean or average is 40.6

table 3 represents a direct variation function. : )

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,

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm