Uma bruxa possui uma coleção de bolsas mágicas. Uma delas é uma bolsa transparente que duplica o seu conteúdo a cada minuto, até ficar cheia. No horário de 14:00, ela colocou uma esfera azul nessa

bolsa, conforme ilustrado na primeira figura abaixo. Às 14:01 havia duas esferas, às 14:02 havia quatro,

às 14:03 havia oito, às 14:04 havia dezesseis esferas e assim sucessivamente.

Se a bolsa ficou cheia no horário de 15:00, a que horas estava exatamente pela metade?

a) 14:30.

b) 14:45.

c) 14:56.

d) 14:49.

URGENTE

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

The radius of a sphere is 3 inches. which represents the volume of the sphere?