Answer:
Part a would be "C" and part b would be "C" I believe
Step-by-step explanation:
(a):it is a constant speed, then decline, then back to constant.
(b):constant then he gets slower.
To find the area of a square, do base times height.
If it is a square then all the sides are equal. Take 12 and divide it by 4 to find out that each side is 4 feet.
Base-4
Height-4
(4)(4)=16
A. The extra amount added to the selling price to arrive at the cost price
Your answer will be 406 hope this helps
Becouse k and n are 'neighbours' so their sum are 180
so k=180-42=138
