Answer:
The number of combinations will she have to analyze is 10.
Step-by-step explanation:
We know that Boeing currently produces five models of airplanes for commercial sale. The airline that Lauren works for is rapidly expanding and would like to purchase three airplanes of different models to service various routes. We calculate the number of combinations will she have to analyze.

The number of combinations will she have to analyze is 10.
Answer:
0, -1
Step-by-step explanation:
This question was answered in another place since you asked it twice. Please refer to the other place that you asked the same question.
Answer:
Look at Step by Step
Step-by-step explaination
All you need to do is find the frequency of the test scores.
70 = 2 dots
75 = 0
80 = 3 dots because there are 3 students that got a 80 %
85 = 3 dots because there are 3 students that got a 80 %
90 = 4 dots because there are 4 students that got a 90 %
95 = 3 dots
100+ = 0 dots
I hope this helps you
if he can earn $9 per hour
$405 ? hours
?=405/9
?=45 hours he worked