Answer:
Nothing further can be done.
Step-by-step explanation:
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Answer: -x+4
Step-by-step explanation: You have to distribute the -1 outiside of the parentheses by multiplying it to the constants inside the parentheses.
So, -1(1) = -1. The new coefficient of x and the first constant of the simplified form is -1
Also, -1(-4) = +4. The new constant after the variable x is 4
Therefore the fully simplified form is
-x + 4
According to the given data, the operating altitude of a glider is 5000 ft. Next highest is that of an airship, at 3000 ft. Next is a sailboat (water level, or 0 ft).
Last is a submarine, 1500 feet below the surface.
{5000, 3000, 0, -1500} (answer)