This graph shows how much Marie earns babysitting, compared with the number of hours she works. Select the correct statement about the graph. A. for each hour she works , her earnings go up by $10 B. for each dollar she earns, the number of hours she works goes up by 10. C. for each hour she works, her earnings go up by $5 D. for every 5 hours she works, her earnings go up by $1

Step-by-step explanation:

for each hour she works , her earnings go up by $10

The first one is the correct answer, because the slope of the line is

$(60-0)/(6.0 hours)

= 60/6 $/hour

=10 $/hour.

d. is the correct answer

step-by-step explanation:

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google