The diameter is 10ft what is the radius

Radius- 5

The radius is half, so if you want to find the radius, you have to see what if half of the diameter, which is 10. So 10 divided by 2 is 5 which is the radius. Easy.

If you would like to know how many hours must Lila work to earn $105, you can calculate this using the following steps:

$8.75 ... 1 hour
$105 ... x hours = ?

8.75 * x = 1 * 105
8.75 * x = 105      /8.75
x = 105 / 8.75
x = 12 hours

Result: Lila must work 12 hours to earn $105.