In a layout of Mark’s backyard, the ratio is 1 centimeter = 10 meters. The length of the rectangular deck on the layout is 6 cm and the width is 4 cm. What is the perimeter of Mark’s deck? A.
24 meters
B.
200 meters
C.
100 meters
D.
20 meters

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.

Which graph represents the equation y =4x

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?