A design on the windows of building. The curved part XY is an arc of a circle. The rise of the segmental arc is 10cm, its spans is 100cm and XZ=ZY=120cm. Cal radius

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.