Answer:
correct choice is B
Step-by-step explanation:
If d represents the number of desks in each row and the administrators want there to be 13 less rows than the number d of desks in each row, then the number of rows is d-13.
The total number of desks in all rows is

Due to space limitations, there should be fewer than 264 students in the cafeteria. Therefore,

Answer:
3
Step-by-step explanation:
All you need to do is add the fractions (2/5 + 3/5 = 5/5 or 1) and then add the whole numbers (1 + 1 = 2) and then when you add those answers (1 + 2) you get 3! I'm sorry if that was a really bad explanation,, this is my first time answering a question lol.
Okay so if there are 120 seconds in 2 minutes and the bee flies 45m in 10; 10 goes into 120 12 times so just multiply 45 by 12. the answer is 540
Answer: (A) H0: μ = 140 mg vs. H1: μ ≠ 140 mg
Step-by-step explanation:
Usually null hypothesis represents the claim that the values associated to the groups being tested have no statistical difference but alternative hypothesis supports the claim that there is statistical difference.
Let
be the population mean .
We are given that the mean potassium content of a popular sports drink is listed as 140 mg in a 32-oz bottle.
i.e. Null hypothesis :
Alternative hypothesis for two tail hypothesis has sign (≠).
i.e. Alternative hypothesis : 
∴ The hypotheses for a two-tailed test of the claimed potassium content:
H0: μ = 140 mg vs. H1: μ ≠ 140 mg
Step-by-step explanation:
<em><u>[</u></em><em><u>INTERSECTION</u></em><em><u>]</u></em><em><u>.</u></em>
<em>correct</em><em> me</em><em> if</em><em> I'm</em><em> </em><em>wrong</em><em>:</em><em>)</em>