30 points answer correctly which statement about progressive taxes is true? a ) the rate increases as income increases. b ) the rate remains the same, even if income increases or decreases. c ) the rate decreases as income increases. d ) the rate increases as income decreases

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Is a positive integer raised to a negative power always positive

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.