You work as a cashier for a bookstore and earn $4 per hour. You also babysit and earn $8 per hour. You want to earn at least $56 per week, but you would like to work no more than 16 hours per week. Given the graph of the linear system, which system is the solution of the real-world problem?

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Find the percent error of the measurement 4 cm

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is