Which is the midpoint of the line segment with endpoints (1, 2) and (7,8)? OA (V6. 6)
B. (3,3)
C. (4,3)
D. (4,4)
E. (4,5)

Answer this 30 points and brainliest!

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Which is the focus of a parabola with equation y2=4x