Answer:

Step-by-step explanation:
We have given that melissa used 4 cups of sugar to bake 54 cookies.
That means 1 cup of sugar will be used to bake
by unitary method
We have to find the ratio of cups to the cookies
We are using 1 cup of sugar
And cookies will be 
6(-3-4y)
-18-24y
(Multiply 6 by both numbers)
Answer:
The answer would 1680 m
Step-by-step explanation:
You solve this equation by multiplying base x height and the multiplying that by width, since this shape is a triangle you would divided it by 2.
45 is 9% of 500!
<em>I hope this helps!</em>
Answer:
<h2>Second table</h2>
Step-by-step explanation:
<em>One-to-one function is a function that preserves distinctness: it never maps distinct elements of its domain to the same element of its codomain. Every element of the function's domain is the image of at most one element of its domain.</em>
First table:
No. Because for x = 7.25 and x = 8.5 we have the same value of y = 11
Second table:
Yes. Because for all values of x we have different values of y.