What is 4 and 2/7 times 2 and 1/5

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.

Kate is arranging new furniture in her rectangular sitting room. she has mapped the arrangement on a coordinate pane. a,b and c represent the sofas, v1 and v2 are decorative vases and aq the aquarium. find the distance between v1 and the aquarium. any body you