Question 1149519
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The sunglasses are dropped at t=0.  To find the height from which they were dropped, evaluate h(0).<br>
When they hit the ground, the height is 0.  To find when they hit the ground, solve the equation h(t) = 0.<br>
The instructions are to include units in your answers.  The problem says the units of time are seconds and the units of height are feet.<br>