Answer:
49π
Step-by-step explanation:
A = π 
A = π 
A = 49π
For the one you put in the comment...
The radius of a circle is 19cm find its area in terms of π
A = π 
A = π 1
A = 361π
For the other one you put in the comment
The radius of a circle is 4 cm find its area in terms of π
A = π 
A = π 
A = 16π
For the other one you put in the comment
The radius of a circle is 20 cm find its area in terms of π
A = π 
A = π 
A = 400π
Hope this helped!
Have a supercalifragilisticexpialidocious day!
Answer:
yes
Step-by-step explanation:
note that 20% =
= 
Hence to find 20% of a number, dividing the number by 5 is correct
20% of £30 =
= £6
Answer:
• The function is a linear function
• The function changes at a constant rate
Step-by-step explanation:
A graph of the function shows it to be a straight line (linear function). Such a function always changes at a constant rate. The line goes downward to the right, so the function is a decreasing function.
___
"changes at a constant rate" and "linear function" are two different ways of saying the same thing: the graph of the function is a straight line.
Answer:

Step-by-step explanation:

Keep the variables in the left side & rest in the left side:




Answer:14
Step-by-step explanation: