Answer: the answer is
Step-by-step explanation:
Answer:
30 out of 40: 75%
40 out of 50: 80%
40 out of 50 is the better score
Answer:
140 ways
Step-by-step explanation:
4 x 5 x 7 = 140
7,265 is the average of those two numbers, though i am not sure what the sign that is mentioned is
Answer:

Step-by-step explanation:
Since these are like-terms, they can be added together.
7z + 7z = 14z