Answer:
50% of the scores are between 65 and 88
Step-by-step explanation:
taking the diagnostic too
Answer:
im not sure if this is correct but:
Step-by-step explanation:
4x+18
360= 4x+18
360-18=342
342/4 is 85.5
to check work
(85.5*4) + 18
=360
Answer:
The number of different lab groups possible is 84.
Step-by-step explanation:
<u>Given</u>:
A class consists of 5 engineers and 4 non-engineers.
A lab groups of 3 are to be formed of these 9 students.
The problem can be solved using combinations.
Combinations is the number of ways to select <em>k</em> items from a group of <em>n</em> items without replacement. The order of the arrangement does not matter in combinations.
The combination of <em>k</em> items from <em>n</em> items is: 
Compute the number of different lab groups possible as follows:
The number of ways of selecting 3 students from 9 is = 

Thus, the number of different lab groups possible is 84.
X could be 6 or -2
You start at 2 on a number line and move 4 to the right and 4 to the left.