Which one of the following statements expresses a true proportion?
a. 2: 1 = 1: 2
b. 7: 9 = 8: 9
c. 54: 9 = 6: 3
d. 3: 4 = 9: 12
explain

Aportion of a line bounded by two points is defined as

The cone in the diagram has the same height and base area as the prism. what is the ratio of the volume of the cone to the volume of the prism? h hl base area-b base area =b volume of cone_1 volume of prism 2 volume of cone 1 volume of prism 3 volume of cone 2 volume of prism 3 oc. od. volume of cone volume of prism e. volume of cone volume of prism 3 2

Edith is shopping for a new leather couch. jordan’s furniture has one that costs $3,000. however, this weekend she can get a 15% discount. how much money will edith save if she buys the couch this weekend? a $15b $2,550c $45,000d $450