Step-by-step explanation:
Hey there!
Look explanation in picture.
<em><u>Hope </u></em><em><u>it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
Answer:
2.33 units
Step-by-step explanation:

I see this as the difference in their current years is 12, and the difference between the number of years they both age in human years is 3, so after 4 human years they become the same age.
Answer:
Step-by-step explanation: for 8 thirds use the long lines to count back from 5 to 0 then once u get 0 use the little lines to get to 8 thirds towards 5 and do the same for -11 thirds but towrds -5
There are 12 letters in P H I L A D E L P H I A AND THERE AE:
2 P, 2 H, 2 A, 2 I
Permutation of ¹²P₁₂ = 12! , but mind you there are repeated letters so
the final Permutation: 12!/(2!)(2!)(2!)(2!) = 29 937 600 ways of arranging letters