Answer:
I don't understand the array of numbers as written in the question.
Step-by-step explanation:
See attached image
Most likely 10 because the initial amount is 5
Answer:
x=35
Step-by-step explanation:
2x+15+2x-10+x=180
combine factors
5x+5=180
-5 from both sides
5x=175
divide 175/5x
x=35
Answer:
7
Step-by-step explanation:
(x-2)^2
x^2-4x+4
-3^2-4(-3)+4=7