1. When you ___ or ___ by a ___ number on both sides of the inequality, you must FLIP the inequality symbol.

2. Which number is a solution of the inequality? 10 < x(9-x)
a. 0
b. 1
c. 5
d. 10

3. I am collecting baseball cards. My goal before I turn 18 is to have 500 cards. When I tumed 10,
my grandfather gave me 125 cards that he collected. When I turn 15, my dad will give me 89 that
he has collected

a. Write an inequality that describes this situation. Letc represent the number of cards that I must
collect on my own, to meet or surpass my goal. Double click to type in the boxes.
HINT:
If you need to show Greater than or Equal-to, use
If you need to show Less than or Equal-to, use "c="

b. How many cards will I need to collect on my own to meet or surpass my goal?

Help PLZZ