Answer:
8x^2-4x+5
Step-by-step explanation:
(3x^2+4)-(-5x^2+4x-1)
Let's start by removing the parentheses.
3x^2+4-(-5x^2)-4x+1
Now let's reorder the equation to make it easier to combine like terms.
3x^2+5x^2-4x+1+4
Combine like terms.
8x^2-4x+5
Answer:
On the sale of garage One family made $1154 and Second family made $486
Step-by-step explanation:
Given:
Two families have a garage sale together the entire garage sale brought in $1640
Total Cost = $1640
Let the Second made be x
Also given one family made $182 more than twice as much of the second family
One family made = 
Now Total cost is equal to sum of One family and Second family.
Hence framing in equation form we get;

Now solving the equation we get;

Hence,
Second Family made on sale of garage = $486
One Family = 
Hence One Family made on sale of garage = $1154
Answer:
c. n³p²
Step-by-step explanation:
Answer:
negative
Step-by-step explanation:
A negative value raised to an even exponent is positive
A negative value raised to an odd exponent is negative
= - 512 ← negative
= 256 ← positive
Answer:
10 ft
Step-by-step explanation: