7 - 3

8 + 8

5 + 5 + 5 =

3 + 7 - 10 =

100 - 98 =

if john is running 2 miles per hour how many he would run in 4 hours?

if your friend is running at speed of 6 miles per hours and you're running at a speed of 6.1 miles per hour. Who is faster?

what do you want to have on your birthday