Answer:
14x+42y
Step-by-step explanation:
7(2x+6y)
14x+42y
Answer:
the answer would be 1 but there are no equations
Step-by-step explanation:
Answer: 1, 2, 7, 14
Step-by-step explanation:
Answer:

(B) Decrease by 12.5%
Step-by-step explanation:
For this case we know that the revolution is proportional to the circumference.
And we know that the average number of revolutions of 32 inch tires for Tuesday is higher than the original value of 28 inch tires for Monday.
We know that we have x mi/hr, so we can select a value fo x in order to find the average revolutions with the following formula:

Let's say that we select a value for x for example x= 28*32 = 896, since this value is divisible by 32 and 28.
If we find the average revolutions per each case we got:
Tuesday:

Monday:

And then we can find the % of change like this:

And if we replace we got:

Because we are assuming that the initial amount is the value for Monday and the final value for Tuesday.
So then the best answer for this case would be:
(B) Decrease by 12.5%
Let the width of the table be = x inches
As the length of a table is 16 inches more than its width, so length = x+16
Area of the rectangular table = 720 square inches
Area of rectangle = 






and 
Neglect the negative value as length and width cannot be negative
So, width = 20 inches
Length = x+16 = 20+16 = 36 inches
Hence, length is 36 inches and width is 20 inches.