Answer:
One solution
Step-by-step explanation:
Answer:
58.18
Step-by-step explanation:
640/11
Answer:
3n²+3n-60
Step-by-step explanation:
Area of rectangle= L*W
A=3(n-1)(n+2)
A=3(n²+n-2)
A=3n²+3n-6
54=3n²+3n-6
3n²+3n-6-54=0
3n²+3n-60=0
For these problems you'll need to know that the volume on a triangle can be figured out by plugging in given information into the equation: v=1/2 bxh