Answer:
f(x) = -x^2 + x + 13 find f(9) = -59
Hope this helps :)
11 centimeters
This is because a rectangle has an area of length times width and so you can divide 88 by 8 to get 11
Answer:
$2000
Step-by-step explanation:
Cristina can type a 50 page essay in 8h. Yes, last month Cristina and Angela together typed an essay of the same size in 6 hours. How long would it take Angela to make it sun
Translated
Given:
The system of equation is,
-------- (1)
-------- (2)
To find the solution.
To solve the system of equation,
From (1) we get, 
Putting this value into (2) we get,

or, 
or, 
or, 
or, 
or, 
or, 
From (1) we get,

or, 
or, 
Hence,
The solution is
and 