Please I’m in a hurry

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9