Answer:
x^4 + 5x^3 - 12x^2 + 5x + 1
I think these are the answers but i'm not to sure: 20.0. 15
Answer:
x < -1
Step-by-step explanation:
Step 1: Write out inequality
-10 + x + 4 - 5 > 7x - 5
Step 2: Solve
x - 6 - 5 > 7x - 5
x - 11 > 7x - 5
-11 > 6x - 5
-6 > 6x
-1 > x
Step 3: Rewrite
x < -1
She would be 12 years old as 12•3 is equal to 36 years. (:
