Answer:-23
Step-by-step explanation: i just know nika
Answer:
x^2 +14x+49
Step-by-step explanation:
Area = length * width
= ( x+7) * ( x+7)
FOIL
first: x^2
outer: 7x
inner: 7x
last: 7*7 = 49
Add them together
x^2 +7x+7x + 49
Combine like terms
x^2 +14x+49
It's 8n meaning 8 times n (8*n) so for example for 5 nights she would sleep : 8*5 = 40 hours in total.
1:2 can equal 1/2. Hope this helps >^_^<
Hello!
If this square pyramid originally had a volume of 180 in³, and it is multiplied by ten, we add a zero and get 1800 in³.
I hope this helps!
