2.31 times 10x is 2,200 times greater than 1.05×10y. what are the values of x and y?

Given the following similar triangles what is the area of triangle b ? a) 1 b)1.8 c)3.2 d)5

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°