Finding the original price: the grocer settled some old accounts for 16% less than the original amounts. on this basis she collected $1680. what was the total of the original accounts ?

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m