An article gave the following summary data on shear strength (kip) for a sample of 3/8-in. anchor bolts: n = 69, x = 4.75, s = 1.90. Calculate a lower confidence bound using a confidence level of 90% for true average shear strength. (Round your answer to two decimal places.)

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)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft