Answer:
-8x^2+26x-21
Step-by-step explanation:
B=72
Multiply 18 by 4 to get this.
Answer:
y= 3x+4
Step-by-step explanation:
standard form is always y equals first
Answer:

Step-by-step explanation:

Expand the brackets.

Multiply.

Answer:
33.1%
Step-by-step explanation:
First, calculate the dollar amount of the increase. Subtract $32,500 from $43,250. We get $10,750.
Next, divide this $10,750 by the original salary, $32,500, to determine what fraction of $32,500 is represented by $10,750:
fraction = $10,750/$32.500 = 0.331
Convert this to a percentage by multiplication by 100%: 33.1%
The rate of increase of the saleperson's salary was 33.1%.