Put these fractions and decimals in least to greatest

8 1/9,8.117,8.28,163/20

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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

Solve -.016x= -16. need solving this