<u>Answer:</u>
The correct answer option is B. 2 = 3x + 10x^2
<u>Step-by-step explanation:</u>
We are to determine whether which of the given equations in the answer options can be solved using the following expression:

Here,
and
.
These requirements are fulfilled by the equation 4 which is:

Rearranging it to get:

Substituting these values of
in the quadratic formula:


Answer:85.5
Step-by-step explanation:
Use calculator
Answer:
It will take about half an hour more for maria to finish his/her project than Juan.
Step-by-step explanation:
9/10 > 2/6
=> 54/60 > 20/60
=> 34/60
Therefore, it will take about half an hour more for maria to finish his/her project than Juan.
Hoped this helped.
Step-by-step explanation:
Given that,
BC = 8
Ac = 15
We can find AB using the pythagoas theorem.

We know that,
, B is base and H is Hypotenuse

Hence, this is the required solution.
(4x-3)(2x+1) expand the brackets: 8x^2 -2x -3 = area