Answer:
9x^4/4 - 6x^3
Step-by-step explanation:
Group like terms
Add similar elements
Factor out common terms
Multiply.
**Detailed steps are in the picture attached**
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I hope this helped!
Brainliest is always appreciated :)
Answer:

Step-by-step explanation:
see the attached figure , to better understand the problem
we have

where
A(b) ---> is the trapezoid's area
b ---> is the other base value
Solve the equation for b
That means ----> isolate the variable b
Divide 12 by 2 right side

Divide by 6 both sides

subtract 9 both sides

Rewrite

Convert to function notation

Answer:
Stereotypical?
Step-by-step explanation:
that seems like a stereotype to me.
The answers on the right are in reverse order to the questions on the left.
I find it easier to see if I have a picture.
Answer:
3/4
Step-by-step explanation:
2/5+1/4+1/10=8/20+5/20+2/20=(8+5+2)/20=15/20=3/4