Answer:
a only
Step-by-step explanation:
its a negative change b is a positive and there is no "a and c" choice listed
There are 3 rectangles.
In the plane, each rectangle has 2x + 7 horizontal side.
The fence covers 3 horizontal sides => 3 (2x + 7)
In the plane, the vertical sideis x. And the fence covers 4 vertical sides => 4x
Then the total amount of fecncin is: 3(2x+7) + 4x = 6x + 21 + 4x = 10x + 21
Answer: 10x + 21<span> </span>
Answer:
186 books with the 55% increase
Step-by-step explanation:
120 times 55% increase = 66 more in increase
Now take the increase and add it to the original amount of books to get the number of books with the increase
66 + 120 = 186
Answer:
0.3
Step-by-step explanation:
the reason that 30 centimeters are 0.3 meters is because a meter per centimeter is 0.01 so multiplying that by 30 cm you will get 0.3.
Answer:
27, it is divisible by 1, 3, 9, and 27
Step-by-step explanation: