Answer:

Step-by-step explanation:

Add rm and ms together to get rs
rs = 3x + 1 + 4x - 2
rs = 7x - 1
rs = 7x - 1 is your answer
hope this helps
Answer:
0.0392 = 3.92% probability that the test result is positive.
Step-by-step explanation:
Probability of a positive test:
95% of 1%(person has the disease)
100 - 97 = 3% of 100 - 1 = 99%(person does not have the disease).
What is the probability that the test result is positive?

0.0392 = 3.92% probability that the test result is positive.
Factoring an expression involves rewriting the expression in simplier form
The factored expression of
is 
<h3>How to factor the expression</h3>
The expression is given as:

Factor out 5x from the expression

Factor out y^2 from the expression

Hence, the factored expression of
is 
Read more about factorized expressions at:
brainly.com/question/723406