Order of operations: the rules of which calculation comes first in an expression.
They are: PEMDAS
<span><span>Do everything inside parentheses first: ()
</span><span>then do exponents: x2
</span><span>then do multiplies and divides from left to right
</span><span>lastly do the adds and subtracts from left to right</span></span>
option 2
option 3
option 1
Hope this helps my dude ^^
Split the square in half what is it? Two triangles add two triangles together 127 + 127 = 254 the surface area is 254
Answer:
Average change in temperature each day = 5 degrees/day
Step-by-step explanation:

Answer:
3
Step-by-step explanation:
area = l^2 = 9
so,l =
= 3