Y = ax + b
the difference in numbers is 9 and the difference in weeks is 3 so
a = 9/3 = 3
b = 19 - 9 = 10
the equation is
y = 3x + 10
sub 14 into equation as x
y = (14 x 3) + 10
y = 42 + 10
y = $52
Answer:
1( no this is not direct variation
2( yes this is dirrect variation with k=2.34
Step-by-step explanation:
think this is the answer but no one answered wow, hope this helped or would have helped.
Perimeter:
add all sides
(1/2)+(1/2)+(1/2)+(1/2)+1+1 = 1+1+1+1 =4cm