Given:
The functions are:


To find:
The rational expression for
.
Solution:
We have,


Now,


![[\because a^2-b^2=(a-b)(a+b)]](https://tex.z-dn.net/?f=%5B%5Cbecause%20a%5E2-b%5E2%3D%28a-b%29%28a%2Bb%29%5D)

Therefore, the required rational expression for
is
.
Answer:
(x,y)=(-3,-7)
Step-by-step explanation:
step 1
y=2x-1
y=3x+2
=
2x-1=3x+2
Answer:
13
Step-by-step explanation:
because 12+5=17 which is what she spent and 17-4=13 because she had a coupon of 4 dollor off
Walking at 3mph he wouldve walked 15 miles in 5 hours, leaving 133 miles on bike.
133/41=3.24390244hours on the bike