Answer:
QR and SV
RS and TU
Step-by-step explanation:
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.
Answer:
To calculate the mean we need x and f both
Use google calculator use google calculator to find the sum of the times 9 times 8