Use the equation you have written above determine the cost for each bracelet. show the algebraic steps that it takes to find the answer. provide your conclusion. 9x+9 = 72 (33 points)

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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.