Xiao’s teacher asked him to rewrite the sum 60+90 as a product of gcf of two numbers and a sum . xiao wrote 3(20+30.what mistake did xiao make ? how should he have written the sum

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.

Divide. write in the simplest form. 4 1/6 divided by 10

Ineed with the quizzes in apex mathematics ii