Answer:
-16
Step-by-step explanation:
-5 + 4 = -17 + 5 - 4
0 = -16
Answer: -16
c. 9
To complete the square, you take half of the coefficient of b and square it. It's important to note that the value being added will always be positive.





Answer: No
Step-by-step explanation: A proportional relationship can be described by an equation of the form y = kx, where k is a number called the constant of proportionality.
Answer:
28.8
Step-by-step explanation:
23+2x+3x+13=180 simplify the left side
5x+36=180 subtract 36 from both sides
5x=144 divide both sides by 5 to isolate the variable
x=28.8