Answer:225 tickets
Step-by-step explanation:
Adult tickets = A
Student ticket = (A - 74)
A + A - 74 = 376
2A = 450
A - 225
Answer:
2x-11
Step-by-step explanation:
The product of something means multiplication, and since we are only given one number we can use the variable x to represent it. And minus 11 is obviously subtraction, so we can put together the expression 2x-11.
Answer: alternative C.
Step-by-step explanation: The samples chosen in surveys are often representative when taking the whole population in consideration. They <u>have to be chosen in a random way so they are representative and there's no bias playing a role in the results</u>. Therefore, the variance calculated on the samples are good estimations of the population variancies, since they represent the population in the best way possible.