Arectangle parking space is m feet wide and n feet long. in the new design for the parking lot, each space will have its width increased by 1 foot and its length by 20%. a.) write a polynomial to represent the area of the new parking space. b.) shoshanna says that the area of each new parking space is 20% larger than the area of the old parking space. is this correct? use the polynomial you wrote in part a to explain why or why not.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

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.

X+y=-4 x-y=2 use elimination with adding and subtraction