If an object is dropped from a height of 400 feet, the function h(t) = -16t^2+400 gives the height of
the object after t seconds. When will the object hit
the ground? Round the answer to two decimal
places.

Create another three examples that does not behave like a function. explain why your chose each example to fit the category be very

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?