Answer:
Assuming that Janet spent an equal amount of time on each question, he would have spent 75 seconds on each question.
Step-by-step explanation:
10 minutes = 600 seconds
600 seconds / 8 questions = 75 seconds.
Answer:
To find the perimeter of a triangle, add all the side lengths
Step-by-step explanation:
Answer:
Sasha will pay $99.
Step-by-step explanation:
10% of 90 is 9 so add that together you get $99.
Answer:
x3
Step-by-step explanation:
Considering x4 and x3 actually power terms.
I mean: x4 is
and x3 is
.
Let's decompose the first term: 
Now it is clear that the common factor is
.