4x+9=-3 simplify the following expression

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g