Answer:
-43K+42
Step-by-step explanation:

Cross multiply.
5.4x=9*25.8
5.4x=232.2 Divide both sides by 5.4
x=43
C is false. 9 multiplied by 7 equals 63.
Answer:
Hi Sophia! The answer is the option 3!
Step-by-step explanation:
Check the picture!
Answer:
Step-by-step explanation:
We can write them both like functions like this
Where
x=input
A=Output A
B=Output B
We want the output of A 3 times the output of B this can be written like this:
we replace with the functions
we solve for x
The output that makes the out put of A 3 times teh output of B is