16x²=(4x)², 9=3², 24x=2*4x*3
so this is a perfect square: (4x+3)²
Answer:
the answer is B
Step-by-step explanation:
Answer:
a) 3
Step-by-step explanation:
3+10= 13
hope this helped :)
Answer:
a
The null hypothesis is 
The alternative hypothesis is 
b
The sample proportion is 
Step-by-step explanation:
From the question we are told that
The sample size is n = 546
The number of people that use a laptop overnight is 
The population proportion is 
Generally
The null hypothesis is 
The alternative hypothesis is 
Gnerally the sample proportion is mathematically represented as

=> 
=> 