now, we're assuming she made the deposit at the child's birth, namely when year was 0, at the child's twenty-first birthday that'll be 21 years later.

Answer:
10 1/2
Step-by-step explanation:
Answer: Do you need it all of it?
Step-by-step explanation:
1.)11x^2-3x
2.)8x+1-x^2
3.)-x^2-x+8
4.)-2y+10-x^2