Answer:
x/5 i thing i am not even sure good luck
Step-by-step explanation:
Thing that I do is email the teacher and he or she will give me the answers try it yourself ok do d dnd don ffn
Number 1 is 744 because if you minus the percentage form the number of songs you get the 744
54 - 4a^2 + 3b^3 when a = -2 and b = 4 is
54 - 4(-2)^2 + 3(4)^3 = 54 - 4(4) + 3(64) = 54 - 16 + 192 = 230
The answer is the last one -27/(-3)-9 .