8 months; $740
75x+140=90x+20
Find x then plug it in to find the cost
Answer:
Pacific Ocean at a grand 63 million square miles
Step-by-step explanation:
Answer:
c = 
Step-by-step explanation:
To make a perfect square
add ( half the coefficient of the x- term )² to x² + 5x
x² + 5x + (
)²
= x² + 5x + 
= (x +
)² ← a perfect square
Answer:mean
Step-by-step explanation:
I would assume it’s the mean since that averages the 7 test scores it represents the data set well. Outlier and mode don’t describe a data set since they are quite unique within it.
Answer:
Midpoint (-1 , 1)
Step-by-step explanation:
Formula: (midpoint)
Let the point A(x , y) be the midpoint of CD.


Then
A(-1 , 1)