The answerrr is 18 for thisvprblme
Answer:
Randy had 13 books an Sandy had 7 books.
Step-by-step explanation:
20 - 3 = 17
30 - 17 = 13
13 x 2 = 26
26 + 4 = 30
13 + 7 = 20
Hope this helps! Please mark as brainliest.
The 2nd option from the top
Answer:
s^2 - y^3 ........
Step-by-step explanation:
s^2 - y^3
