Plz asap! i'll give 5 stars to the first correct answer!
a rock is thrown upward with a velocity of 21 meters per second from the top of a 44 meter high cliff, and it misses the cliff on the way back down. when will the rock be 5 meters from the water, below? round your answer to two decimal places.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.