Pls triangle abc is an equilateral triangle. the angle bisectors and the perpendicular bisectors meet at d in such a way that cd = 2de. the radius of the inscribed circle units, and the radius of the circumscribed circle units.

Valentino starts with a population of 1,500 amoebas that increases 35% in size every hour for a number of hours, h. the expression 1,500(1+0.35)h finds the number of amoebas after h hours. which statement about this expression is true? a. it is the initial population raised to the growth factor after h hours. b. it is the sum of the initial population and the percent increase. c. it is the sum of the initial population and the growth factor after h hours. d. it is the product of the initial population and the growth factor after h hours.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Use sigma notation to represent the following series for 9 terms.