72+48+96+120 = 336
The answer is C.
Hope this helps!
Answer:
(2, -5)
Step-by-step explanation:
Convert to vertex form:
3x^2 - 12x + 7
= 3(x^2 - 4x) + 7
Completing the square:
= 3[ (x - 2)^2 - 4)] + 7
= 3(x - 2)^2 - 12 + 7
= 3(x - 2)^2 - 5.
Comparing with the general form
a(x - b)^2 + c we see that the vertex is (b, c) = (2, -5).
semoga jawapan ini dapat membantu
64=boys
Boys to girls
4:5
80=girls
80÷5=16×4=64
