Answer:
f(g) = -3( x^2 -x-6) -6 = -3x^2+3x+12
Volume of a cylinder of radius r and heigth h is

Here h is 15 cm and r is 6 cm.
Answer:
sorry ima need to use your page
Step-by-step explanation:
6.4x + 2.8y = 44.4
6.4(3) + 2.8y = 44.4
19.2 + 2.8y = 44.4
-19.2 -19.2
2.8y = 25.2
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2.8 2.8
y = 9