Executives for a grocery store chain want to survey their employees about a new policy regarding break times. To get a representative sample of 40 employees, they randomly select 10 people from each of the different job titles at the store (cashier, bagger, stocker, and manager). Which sampling method was used? cluster sampling
simple random sampling
stratified random sampling
systematic random sampling

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times

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,