Answer:
Rhion did better in maths test.
Step-by-step explanation:
Given that:
Rhion scored 14 out of 17.
We will find percentage and then compare them.
Percentage = 
Percentage = 
Percentage = 82.35%
Rhion scored 31 out of 39.
Percentage = 
Percentage = 79.48
On comparing,
82.35 > 79.48
Hence,
Rhion did better in maths test.
The phrase "5 increased by t" written in algebraic expression is (5 + t).
<h3>Algebra</h3>
can be written as
(5 + t)
For instance,
if t = 25
(5 + t)
= 5 + 25
= 30
Therefore, the phrase "5 increased by t" written in algebraic expression is (5 + t).
Learn more about algebra:
brainly.com/question/4344214
#SPJ1