What are the next two numbers in this pattern? 3, –9, 27, –81, . .

Divide -81 by 27. You get -3.

Divide 27 by -9. You get -3.

Divide -9 by 3. You get -3.

Every new term is the previous term multiplied by -3.

Multiply -81 by -3: -81 * (-3) = 243

Multiply 243 by -3: -3 * 243 = -729

243, -729

the answer is 15% decrease

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,