Answer:
#3: x is approximately 0.37, -5.37, #4: x is approximately 4.19, -1.19
Step-by-step explanation:
You can solve using the quadratic equation or by solving with the perfect square
= 
x is approximately 0.37, -5.37
To find the mean all you have to do is add all the numbers...
you should get -30
and divide by a number of numbers, there are 6
so -30/6 is -5
Answer:
42
Step-by-step explanation:
Shanice =88
If greg won x pieces of gum, and 88 was 4 more than twice as many as Greg
2x+4=88
2x=84
x=42
Answer:
plot it then see if the line is straight or not
20...just draw 20 coins or something