8
round each number to the nearest 10, then
640 ÷ 80 = 8 ← estimate
Answer:
(x + n)^2
Step-by-step explanation:
Okay! Let's get this going!
(x + n ) ^2 is correct because first we get
x^2 and n^2. Yet we need to add one more part to this to make it true which is x * n. We multiply this by two since according to the formula (a + b)^2 = a^2 + 2ab + b^2
:)
Answer:
12 units
Step-by-step explanation:
(-7,-6)
if you reflect it over the x-axis then the second number would be changing
-6 the opposite is 6
(-7, 6)
from -6 to 6 is 12 jumps
12 units is the distance from the original point
