-3x^2(6x^2 + 2x - 3) = -18x^4 - 6x^3 + 9x^2
1.625 rounded to the nearest hundreth is 1.63.
Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
we know that
The formula to solve a quadratic equation of the form

is equal to

Part 1)
in this problem we have

so

substitute in the formula

therefore


Part 2)
in this problem we have

so

substitute in the formula





therefore


The first one is A the second is C and the third is B
If you divide the area from the length your answer is the height of the triangle.