180 - 46 - 24 = 110
d+ 80 = 110
d = 30
answer
d = 30
Answer:
9
Step-by-step explanation:

Use the correct order of operations, PEMDAS.



Answer:

Step-by-step explanation:
we know that
The phrase " the sum of x and 8" is equivalent to adds the number x and the number 8 or sum the number x plus the number 8
so

Answer:
C
Step-by-step explanation:
all the options can give 9m+27 except C; 9m+12
i) first you combine the like terms; 3x² and x², then 4x and -8x, then -7n and -1.
Then you would get 4x²-4x-8.
You then cannot simplify further. so your answer would be 4x²-4x-8.