Multiple choice.
of 365 students, 210 bought a hot lunch. about what percent of the students did not buy a hot lunch?
a. 35%
b.42%
c.56%
d.78%

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

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

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.