Answer:
C) -9.6
Step-by-step explanation:
2.8
10× X = 7× 4
X = 7×4/10 = 2.8
Answer: + -
Use FOIL:
+ + +
Make and have the same numerator:
Then add like terms and simplify:
+ -
b
y=–8, x=–1
I don't have time to explain