Substitute 21 for x.
y = 21 - 4 = 17
Katie has enough bricks because it only takes 12,948 bricks to build the wall. To get 12,948, you will multiply 332 by 39. So basically you are multiplying the width by how tall it is.
Answer: 188.4 cm
Step-by-step explanation:
Given
the radius of the circle is 
Also, circumference is given by 
Putting values

The circumference of the circle is 
Answer:
42,008
Step-by-step explanation: