Answer:
DO you speak english
Step-by-step explanation:
Pedro has 1200.00
Juan has 400.00
Antonio has 600.00
Answer:

Step-by-step explanation:
Two angles are supplementary when they add up to 180°.
So we know that:

Supplanting we get:

We add up the X's.


Then we send 64 to the other side adding:



And then the 8 goes dividing:


Y=2,137.00-(15.15*X)+(33.09*X)
Its simple arithmetic when you get down to it. The $2,137 won't change because it is the base rate per month, meaning even if they don't make any units they will still earn that much in the month. You subtract from that the cost to make a unit, in this case it is $15.15 per unit, so you multiply the cost by number of units to get the month's total costs. Then add the total month's profits by multiplying the number of units by the profits of one unit.
So you want to start to factor so you get (x²+2)(x²-7) = 0. Now set each () to 0, so you get (x²+2) = 0 and (x²-7)=0. The first ends with +√2i and -√2i, the second ends with +√7 and -√7