Answer: Optional
Step-by-step explanation:
Since c is greater than d, 2c would be greater than 2d, because when it’s like this 2c
It sometimes means multiply.
Answer:
Step-by-step explanation:
3(3) = 9
15-3=12
12(9)= 108
7(9)=63
ans : 183
Answer:
the answer is c
Step-by-step explanation:
i just finished the lesson
Step-by-step explanation:
I think so option b Is answer
Answer: It will take
of an hour to complete the test.
Step-by-step explanation:
We need to convert the mixed number
to an improper fraction:

Now, we need to make the following add the fractions in order to calculate how many hours will it take to complete the test. Then, we get:

Therefore, it will take
of an hour to complete the test.