A resposta para a equação de segundo grau: x² + 10x + 9 = 0 é: * 1 ponto x1 = -1; x2 = -9 x1 = 1; x2 = 9 x1 = -5; x2 = -16 x1 = -64; x2 = +64

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit

Is the underlined participial phrase correctly placed or misplaced? i smelled each and every flower strolling through the garden. a. correctly placed participial phrase b. misplaced participial phrase

Jenny made a scale drawing of a city. the scale she used was 5 inches = 1 yard. what is the scale factor of the drawing?