Jack's friend, Gilberto, decides to join the race with Jack and Henry. Gilberto has a head start of 20 meters and walks at 2 meters per second.

When only separate discreet points are graphed it is called?

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?

The area of a circle is equal to 1 dm². find the radius of the circle.