When a teacher gives a test with questions that fall into 3 levels of difficulty (easy, moderate, and hard) The scoring method that would best allow her to identify the students who need help is:
B. weight each question by its difficulty: 1 for easy, 2 for moderate, and 3 for hard.
Answer:
Hi there!
The simplified version is:
18x-20
Step-by-step explanation:
2(4x-6) -8 +10x
First, multiply the 2 by the parentheses.
8x -12 -8 +10x
Next, combine like terms
18x -20
This is the simplified version!
Hope this helps
135 because 45x3=135 at least I'm sure this is what you mean
