4920 is the numb to nestrest ten
You can do C(6,2) which gives

which is
15!
Answer:
I love algebra anyways
The ans is in the picture with the steps how i got it
(hope this helps can i plz have brainlist :D hehe)
Step-by-step explanation:
The answer is d.61. 66+7=73. 13+8=21. 52+9=61. 10+10=20
1 slice of veggie pizza and 1 slice of pepperoni pizza. = 2 slices of pizza in total