Step-by-step explanation:
<h2>a - b = a + (-b)</h2><h2>a + b = a - (-b)</h2>
for any real numbers
Answer:
the correct answer is 36cm2
Answer:
x = -4
Step-by-step explanation:
with x = -4 , a perpendicular line at -4 on the x axis reveals that x is alway -4...all the way along the perpendicular line. Y will be changing values as the perpendicular line goes up or down