The school dance committee wants to know whether the students in the entire school prefer ballet or jazz. The dance committee draws a random sample from the following groups: All students on the dance team All students in each grade All girls in each grade All school teachers Which of the following groups best represents the population they should take a random sample from to get the best results for their survey? All students on the dance team All students in each grade All girls in each grade All school teachers

All students in each grade

Step-by-step explanation:

This is because they want to know weather  the students in the entire school prefer ballet or jazz.

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled