Answer:
2x^2-12x-54
Step-by-step explanation:
First 2x times x along with 2x times -9
Second 6 times x along with 6 times -9
2x^2-18x+6x-54
=2x^2-12x-54
Answer:
1568 cm
Step-by-step explanation:
Base x Height = Area
14 x 112 = 1568
Answer:
we can tell if line ac is straight
Step-by-step explanation: