How to answer questions 8 through 10???? Need help it’s super hard

Answer:
8. 16
9. 2
10. 16 or -16 depending on if you put parenthesis or not. Probably 16 though.
Step-by-step explanation:
Answer:
Step-by-step explanation: To complete these problems, you need to plug in either d or t into the equation given(d=16t^2). For example number 8.
t=1
d=16(1)^2
d=16(1)(1)
d=16(1)
d=16
So number 8 is d=16 and t=1
I would finish the rest of the problems but I don't have a calculator.