Answer =-0.7x +0
Find the gradient by y2-y1/x2-x1
-14 -7/ 20- -10
-21/30
-0.7
And plug in the coordinates to find the y intercept
7= -0.7 (-10) + c
C=0
The answer is 1.6lb is the greatest 2nd is 30oz and last is 800g
A) x * 7 = y
B) y + 7 +1 = 9x
A) x = y / 7
Substituting this into B)
B) y + 8 = 9(y/7)
Multiplying both sides by 7
B) 7y + 56 = 9y
2 y = 56
y = 28
x = 4
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Double Check
4 * 7 = 28 + 7 = 35
9*x = 36
PART A
rectangle : circle
5:13
PART B
5x3 : 13x3
15 : 39
Hope this helped! :)
