<h3>The expression for the length of fabric used for each doll is

</h3>
<em><u>Solution:</u></em>
Given that,
Margaret has 16 yards of fabric
she is making dresses for z doll
Therefore,
Total length of fabric = 16 yards
Number of dresses = z dolls
Therefore,

Thus, the expression for the length of fabric used for each doll is 
Decreased amount = 80 * 0.65 = 52
So, new amount = 80 - 52 = 28
In short, Your Answer would be 28
Hope this helps!
WRW , RWR, The Only Ones I Could Think Of
Answer:
y=-2x-4
Step-by-step explanation:
When an equation is perpendicular, then it is the equation's inverse. The inverse of 1/2 is -2
The y-intercept is b in y=mx+b. In this equation, b=-4