Alex has $14, Barry has $12 and Carl has $9
Answer
B, i think
Step-by-step explanation:
Answer:
(x + 1/2)^2 = 289/4
Step-by-step explanation:
x^2+x-72=0
Write like this:
(x + ___)^2 = ___
put 72 on other side
x^2 + x = 72
x^ + x + (1/4) = 72 + (1/4)
(x + 1/2)^2 = 289/4
x + (1/2) = 17/2
Answer:
Each side of the square is 105cm long
Hope this helps.
Step-by-step explanation:
