One method for measuring air pollution is to measure the concentration of carbon monoxide, or co, in the air. suppose nina, an environmental scientist, wishes to estimate the co concentration in budapest, hungary. she randomly selects 48 locations throughout the city measures the co concentration at each location. based on her 48 samples, she computes the margin of error for a 95% t-confidence interval for the mean concentration of co in budapest, in g/m3, to be 4.28 what would happen to the margin of error if nina decreases the confidence level to 90%? nina increases the confidence level to 99%? nina decreases the sample size to 34 locations? nina increases the sample size to 70 locations? answer bank decrease stay the sameincrease

answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.

at least two

step-by-step explanation:

a reflection across the x axis and a 90 degree rotation left and right.