A and d seem correct to me.
b and c are definitely wrong.
Answer:
The answer is 18.
Step-by-step explanation:
Answer:
No solution.
Step-by-step explanation:
8x - 4 = 2(4x - 4)
8x - 4 = 8x - 8
-4 = -8
-4 ≠ -8
Answer:
570g
Explanation:
each measurement is 10g (bc 100÷10=10) and as the line is on the 7th measurement you times it by 10 and add to 500
7×10 + 500
