The area of the circle should be 201.06
Is it a right triangle?? If so use the Pythagorean theorem (a2+b2=c2)
The gievn equation is ,

where t is the time in seconds and h is the no.of hamburgers assembled.
put h = 2 in equation (1).

blank A assembles 2 hamburges in 22.6 seconds.
put h = 3 in equation (1)

blank B assembles 3 hamburgers in 33.9 seconds.
put h = 5 in equation (1)

blank C assembles 5 hamburgers in 56.5 seconds.
put h = 8 in equation (1)

blank D assembles 8 hamburgers in 90.4 seconds.
If you eat an apple and keep the doctor away then do doctors not like apples