Answer: 4x²-y²
Explanation:
FORMULA
a²-b²=(a+b)(a-b)
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(a+b)(a-b)=a²-b²
(2x+y)(2x-y)=(2x)²-(y)²
=4x²-y²
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Answer: they could get a piece of the coral and run tests on it
Explanation:
120 km/h = 33.33 m/s 10.8 km/h/s = 3 m/s/s the motorist will cover a distance of 33.33 m x T(seconds) the police officer will cover a distance of 1/2 (3) T^2 they will be at the same point when 33.33T = 1.5 T^2 33.33 = 1.5 T 3T = 66.66 T = 22.22 seconds it will take the officer 22.22 seconds to catch the motorist. the officer will be moving V=AT = 3m/s x 22.22 seconds = 66.66 m/s almost 240 km/h (239.976 km/h)
Answer: accelerating/ speeding up
Explanation: since it is rising constantly and keeps getting higher it is increasing
The answer is so we have more oxygen and because loggers are cutting down more trees every day and the more they cut the less air we have
