The answer is +3/-3. x^2-9=0 ---> x^2=9 -----> x=+3/-3
If Nick starts with 20, we can just plug it into p/2 - 12 to get 10-12 or -2. This means Nick did not get 20 cards. Now we have answered both. Two-liner!
The answer is 14 because 5 multiplied by 2 is 10+4 is 14
Answer:
yes
Step-by-step explanation:
if you distribute the 9 into the parenthesis you get 9y + 45. Therefore, both equations are equivalent seeing that they both equal to 9y + 45.
0.45/2.25=0.2=20 percent which is a 80 percent of decrease