Answer:
No they're not equivalent
Step-by-step explanation:
5(x - 9) + 2x -1 -5(9 - x) - 2x
5x - 45 + 2x - 1 5x - 45 - 2x
7x + 46 does not equal 3x - 45
Explaining isnt my specialty, sorry
Answer: 196
Step-by-step explanation:
As per given , we have
Population standard deviation: 
Significance level : 
Using the z-value table , the critical z value for 98% confidence : 
Margin of error : E= 01 lb
Sample size : 

Simplify , we get

Hence, the minimum sample size required for books = 196
Answer:
0.069
Step-by-step explanation:
0.3*0.23=0.069
Answer:
Step-by-step explanation:
r x 7 => 18