The following table shows the number of hours some high school students in two states spend surfing the internet each week: state a 35 36 35 34 35 38 36 36 38 state b 24 22 20 50 25 24 65 25 26 part a: create a five-number summary and calculate the interquartile range for the two sets of data. (6 points) part b: are the box plots symmetric? justify your answer. (4 points)

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?