4 x 5 - 3
= 20-3
=17<answer
Answer:
Step-by-step explanation:
* 
then
*
= 64
Answer:
To use proportions to solve ratio word problems, we need to follow these steps:
Identify the known ratio and the unknown ratio.
Set up the proportion.
Cross-multiply and solve.
Check the answer by plugging the result into the unknown ratio.
Step-by-step explanation:
comment and let me know how it helps
Answer:
C) 4
Step-by-step explanation:
Answer:
D) all real numbers
Step-by-step explanation:
The domain is the input values, in this case the x values
What x values can we use
x goes from - infinity to plus infinity, so it is all real numbers