Answer:
C
Step-by-step explanation:
x² + 6x = 18
To complete the square, take the coefficient of the x term, halve it, square the result, then add to both sides.
(6/2)² = 3² = 9
x² + 6x + 9 = 18 + 9
(x + 3)² = 27
x + 3 = ±√27
x = -3 ± √27
Answer:
I need more information
Step-by-step explanation:
Answer:
surface area of rectangle= 2[(l+w) +(l+h). +(w+h)]
hope it helps
Answer:
28 inches
Step-by-step explanation:
28×22/7×28
answer will come