Which statement describes how to solve ? square both sides once and then solve the resulting linear equation. square both sides once and then solve the resulting quadratic equation. square both sides twice and then solve the resulting linear equation. square both sides twice and then solve the resulting quadratic equation.

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,

answer: i think one of the answer is $150 and $300?

step-by-step explanation:

ιт ωιℓℓ gσ

5,-10,20,-40,30,-60

нσρє ι ¢συℓ∂ нєℓρ