AYUDA URGENTE POR FAVOR! un cultivador siembra 3/7 de su granja con maiz, y 2/5 soya ¿entotal que fraccion de la granja sembro? ¿Que fraccion de la granja queda aun sin sembrar?

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

What is the factor form of x^2-9x+14

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?