1. A spring is oscillating vertically according to the equation y = 3cos(2t –z), where y is the displacement in feet and t is time in seconds. At what time will the spring be 2 ft. high? Round your answer to the nearest tenth of a second.
51.3 seconds
4.1 seconds
25.7 seconds
O
10.6 seconds

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false

step-by-step explanation:

the reason i say this is because for a certain length of sides you can pick any two and the length is wither equal or greater than the third side and in this case it's not.

3 + 5 = 8

8 is smaller than 9 which is the third side.

hope this : )

b. hannah is playing with her cousin at