1) Determine a equação geral da reta que passa pelo ponto P(3,2) e pela intersecção das retas x+y-2=0 e 3x+y-4=0. 2) Determine o ponto em que a reta r: 2x+3y-5=0 intercepta o eixo das ordenadas.

3) Determine a equação da reta suporte da mediana traçada pelo vértice A do triângulo ABC onde A(-2,1) , B(0,-3) e C(2,5).

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Hurry which expression is equivalent to 3√x^5y?

Two numbers have a sum of -19. one number is x. what expression represents the other number?