Answer:
The number of units decreased by .
Step-by-step explanation:
Initially, 470 units were sold. The following 429 units were sold, meaning this was less units than last year. Thus, the number of units sold decreased and the percent of decrease is:
10. Your multiplying the 4 to the "x" which makes 4x then you multiple the 4 to the 3 and get 12. So the answer would be 4x+12. Basically the 4 is the property and your distributing the parentheses. a property is any characteristic that applies to a given set.
You Have To Do a^2+b^2=c^2