Answer:
The solutions of this system of equations are (-2, -2) and (1, 1).
Step-by-step explanation:
Let be the following system of equations:
(1)
(2)
(2) in (1):
This polynomial can be solved analytically by Quadratic Formula:
, 
Hence, the solutions of this system of equations are (-2, -2) and (1, 1).
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Answer:
11/2n+-1/2p-2
Step-by-step explanation:
simplification
A. 4/5 take the bus so 1/5 do not. 1/5 is 20% so 20% of the total students don't take the school bus.
B. The ratio of students who take the school bus to those who do not is 4:1
Cubic inches of first box = 18 x 8 x 12 = 1,728 cubic inches
Cubic inches of larger box = 20 x 12 x 15 = 3,600 cubic inches.
Cubic inches for packing foam = 3600 - 1728 = 1,872 cubic inches
Answer: 1,872 cubic inches
