Answer:
Negative 80 x + 28 y minus 56
4 (negative 20 x + 7 y minus 14)
4
Step-by-step explanation:
a.10^4=10000
b.10×9×8×7=5040
23.5 = (2 x 10) + (3 x 1) + (5/10)
a
Answer: D is the answer
D: x>2