Find the value of each variable to the nearest tenth

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)

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36