Explain how to write the rational number 3.21 in the form a/b

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Five infinity stones cost $16.80. what is the price per infinity stone ?

Build is 120 wide 20 feet high 48 feet long how many cubic feet and the volume