Answer: The answer is (D) 
Step-by-step explanation: Given that there is a rectangle, where length of the rectangle is given by

and width of the rectangle is given by

We are to find the perimeter of the rectangle. To do so, we need to add two times length with two times breadth of the rectangle.
Therefore, perimeter is given by

Thus, the correct option is (D).
Answer:
2x=140
x=70
Step-by-step explanation:
To answer this question, you can use the values of the unit circle to figure out the angle measurement. Since the cosine is the x value of the circle, we can see that at 45°<span>, the x value is √2/2.
So the missing angle should be 45°</span>
The correct answer is 6,8
Answer:
The car can go 25 miles on 1 gallon.
Step-by-step explanation:
300 divided by 12 equals 25. Therefore, the car can go 25 miles on 1 gallon.