Mike has saved 3200 cents from selling lemonade how many dollars does my mike have?

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k