Answer:
48
Step-by-step explanation:
21 white tiles = 63 cm2
total number is 144
144-63 = 81
81/3 = 27
so 27 black tiles
21+27 = 48 total.
Answer:
look at the picture I have sent
Answer:
2over/a -b-c
Step-by-step explanation:
remove the parentheses
Answer:
i would cry if i had to do this tbh like math is so hard
Step-by-step explanation: