For the opening night at the Opera House, a total of 1000 tickets were sold. Front orchestra seats cost $70 apiece, rear orchestra seats cost $50

apiece, and front balcony seats cost $30 apiece. The combined number of

tickets sold for the front orchestra and rear orchestra exceeded twice the

number of front balcony tickets sold by 400. The total receipts for the

performance were $50,000. Determine how many tickets of each type were

sold?

I NEED HELP PLEASE ! I’ve tried.

Front Orchestra

Rear orchestra

Front balcony

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry.how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.