Education researchers are interested in the workload expectations of freshmen at a local university. Which of the following techniques would give a stratified random sample?

O Randomly select 10 freshmen from each of the majors at the university.
O Randomly select 10 freshmen from the cafeteria on each of the 5 days of the first school week.
O Randomly select 1 professor at the university and have them survey all of their freshman students.
Survey the students in some randomly selected freshman seminar classes, since freshmen are randomly put into
those classes.

answer: there are 453.592 grams in a pound.

she gotta workk that a 2

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%