Does secondhand smoke affect asthma?

since smoking cause lung cancer, doctors wonder whether it also affects asthma.

the following scatter plot shows the number of smokers in each person’s household compared to the number of asthma attacks they have had:

does the graph have a linear or nonlinear association? is the correlation between the number or smokers and the number of asthma attacks positive, negative or no? what can you conclude from the data shown regarding secondhand smoke’s affect on asthma? explain how you know.

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.

What is the distance between the points (2, 5) and (5,9)?