Answer:




Step-by-step explanation:
Required
Find n, x, p and q
n always represent the population surveyed;
So:

x represents the sample from the population
So:

p always represents the given proportion

Solving for q




Answer: $206
Step-by-step explanation: 9(22)+8. 9 is the 9 tickets 22 is the cost of each ticket so they multiply to find the total cost of all tickets. and 8 from shipping and handling.
Answer:
??/
Step-by-step explanation:
???
Answer:
A) 
B) $1200
Step-by-step explanation:
Let w represent employee's weekly sales and
be total weekly earnings.
We have been given that a phone store employee earns a salary of $450 per week plus 10% commission on her weekly sales.
A) The total weekly earnings of employee would be weekly salary plus 10% of weekly sales.
10% of weekly sales, w, would be 

Therefore, the function
models the employee's weekly earnings.
B) To find the weekly sales in the week, when employee earned $570, we will substitute
in our formula and solve for w as:






Therefore, the amount of employee's weekly sales was $1200.
Answer: 2m/s
Step-by-step explanation:
The boat goes twice as fast down the river, which means it goes twice as slow up the river.
Because the river flows at 2m/s, I think the answer is 2m/s