Gita wants to survey student opinions about the school uniform policy in her school. She selects 20 girls and 20 boys at random from a list of all the students in her school, What type of sampling has Gita used?

Renita analyzed two dot plots showing the snowfall during the winter months for city a and for city b. she found that the median snowfall is 5 inches less in city a than in city b. the mean snowfall is about 2 inches less in city a than in city b. which explains why there is a difference in the measures of center for the sets of data?

What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?