Answer: 66%
Step-by-step explanation: 83- 50 50 x 100% = 66%
For this case we must complete squares:

We add the square of half the coefficient of the term "x",
on both sides of the equation:

According to the perfect square trinomial we have:

Rewriting the expression we have:

ANswer:

Answer:
$15
Step-by-step explanation:
60x75%
60x0.75
45
60-45=15
Answer: 3 inches
Step-by-step explanation:
Answer:
the last one
:D
Step-by-step explanation: