Does y=7x show a proportional relationship

Empty box + box + empty box fill in the box is equal to 30 how

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

Which of the following three dimensional figures has a circle as it’s base