Step-by-step explanation:

this is the answer
Answer:
divide 5/9 from 10/21 first then divide it again by 6/7
Step-by-step explanation:
Given:
Time spend on every 2 questions = 5 minutes.
To find:
The missing values for the given table.
Solution:
Let x be the number of questions and y be the number of minutes.
We have,
Time spend on every 2 questions = 5 minutes
Time spend on 1 question =
minutes
Time spend on x questions =
minutes
Now,

For x=0,

For x=1,

For x=2,

For x=3,

For x=4,

Therefore, the required table is
Questions : 0 1 2 3 4
Time (minutes) : 0 2.5 5 7.5 10
Answer:
sometimes
Step-by-step explanation:
We can consider the example of a cuboid.
It is a rectangular solid whose all faces are made of rectangles.
But if we will consider a example of cube; which is also a kind of rectangular solid whose all faces are made up of square.
so we can get some solids whose faces are other than squares as well and some whose faces are squares.
Hence, we could say that:
The faces of a rectangular solid are sometimes square.
Answer:
D
Step-by-step explanation: