Perimeter =the length of border of a shape .....if its an equilateral triangle and one side is 32 then. Perimeter is three times the side.ie. 3x32=96cm
The slope is -5/0. Hope this helps
Create a ratio and cross multiply
20x - 75 = 14x + 63
6x = 138
x=23
hope this helps :)
Answer:
The coefficient is negative because she is traveling downward. -20ft/s represents feet decreasing per second.
She was 350 feet above ground since that is her height at 0 seconds.
It takes her 17.5 seconds to reach the ground.