A scale of 1:15000 is used to draw the map of a city. Calculate the actual distance, in km, between two points in the city which lies 87cm apart on the map.

111 thirty dollars is to be divided among three girls and two boys so that each of the girls receives twice as much as each of the boys. how much does each receive?

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5