Which number round to 4,100 when rounded to the nearest hundred
a. 4,008b. 4,140
c. 4,060
d. 4,109e. 4,049?

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

i need a picture

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,