For answer b the answer is 3d + 5w
For answer c the answer is 2a + 3b + 4c
Realtions that are not functions is when a x value has multiple y values, the last one has the X value that has multiple y values
Answer:
x = 
Step-by-step explanation:
Cos 45= 12/x
x=12/Cos 45


x= 
Answer:

Step-by-step explanation:


~
Substitute ''x'' with '2' & 'y' with "-4":-

First let's solve 


Calculate exponents:- -4^5= -1024

Remove parentheses, apply rule:- 


Apply fraction rule:-


Divide numbers:-

Now that we're done factoring the denominator let's bring down the numerator which is ' 1 ':-

<u>☆-------☆-------☆-------☆</u>
Answer:
2.19*17.00
=37.23
=$37
Step-by-step explanation: