Answer:
a) 11
b) 9
Step-by-step explanation:
a) x=4 y=3
2x+y
2(4)+(3)
8+3
=11
b) a=-2 b=5
a^2+b
(-2)^2+(5)
4+5
=9
Another expression for the given rational function is 
<h3>Indices expression</h3>
Given the rational function expressed as:
x = √rs
We can reconstruct the expression by writing it using exponents as shown;

Separate to have:

Hence another expression for the given rational function is 
learn more on rational function here: brainly.com/question/1851758
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Answer:
All you have to do is to the distributive method.
Step-by-step explanation:
(7x+14)(9x-8)
Improper Fraction
12/7 = 1 5/7
Answer:
that is a long story
Step-by-step explanation: