Answer:
8
Step-by-step explanation:
6(6)-20-32(1/4)
36-20-8
16-8
8
Answer:
only $11
Step-by-step explanation:
Answer:
1). 
2). 
Step-by-step explanation:
For multiplication of the rational expressions,

= 
= 
For division of the rational expressions,

= 
=
[When the divisor is a rational expression or a rational number, we change the sign from division to multiplication and reciprocate or flip the fraction.
This is applicable for division of the rational expressions only].
Answer:
width : x+4
Step-by-step explanation:
(x+9)(x+4) = x^2+4x+9x+36
x^2+13x+36
think of numbers that multiply together to get 36
and of those number, what numbers add up to 13
9 times 4 equals 36
9 plus 4 equals 13