The population of a local species of dragonfly can be found using an infinite geometric series where a1=42 and the common ratio is 3/4. write the sum in sigma notation and calculate the sound that will be the upper limit of this population

Every rhombus is a square. true false

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π