Printing a newsletter costs $1.50 per copy plus $450 in printer's fees. the copies are sold for $3 each. how many copie of the newsletter must be sold to break even?

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 area of the rectangle is 35units^2.

step-by-step explanation:

graph it and find the distance.

it is a 5*7 rectangle.

therefore the area is 35units^2.

the first option i believe

step-by-step explanation: