Areal estate agent received a 17,500 commission on the sale of a 350,000 house on walnut street. the same agent received a20,000 commission on sale of a house on center avenue. what is the sale price of the house on center avenue

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?