un sector circular tiene un perimetro (20+pi)cm , ademas la medida del angulo central es 20 grados centecimales . calcule el area dell sector

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work