Answer:
a,c,e,f
Step-by-step explanation:
scientific notations can only be less than 9
Answer:
81
Step-by-step explanation:
Add all of the together to find how much they all equal. 27x3 = 81
Answer:
x = -5/7
Step-by-step explanation:
8/(x+3)=1/(x+1)
Using cross products
8*(x+1) = 1*(x+3)
Distribute
8x+8 = x+3
Subtract x from each side
8x-x +8 = x+3-x
7x +8 =3
Subtract 8 from each side
7x+8-8 = 3-8
7x = -5
Divide by 7
7x/7 = -5/7
x = -5/7