A 12-story office building is 120 ft tall with plan dimensions of 120 × 80 ft. the structure is of conventional curtain wall construction with all windows fixed in place. there are double vestibule-type doors on all four sides. under winter design conditions, a wind of 15 mph blows normal to one of the long dimensions. estimate the pressure differences for all walls for the first and twelfth floors. consider only wind and stack effects. the indoor–outdoor temperature difference is 60 f.

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2