Answer:-8x^2-6x+36xy^2+27y^2
Step-by-step explanation:
using the FOIL method
Answer:
non existent
Step-by-step explanation:
Hello, please consider the following.

Thank you.
Answer:
1y
Step-by-step explanation:
Solution :
Let :
X = number of overtime hours
S = total weekly salary
S = 
S = 480 + 18X
E(S) = 

= 750
Mean of S = 750
Var (S) = 
Var(S) = 
= 5184
Variance of S = 5184
The standard deviation equals square root of 5184 = 72
Answer:
($600 = 250 + X ) ( X = $50y ) y = yards mowed
Step-by-step explanation:
He needs to find out how many yards he needs to mow to get enough money to buy the jersey. This is the equation to find out.