Aubrey is saving up to buy a new jacket. She already has $85 and can save an additional $7 per week using money from her afterschool job. How much total money with Aubrey have after 8 weeks of saving? Also, write an expression that represents the amount of money Aubrey would have saved in w weeks?

Which graph of a hyperbola represents the equation 16x^2-y^2=16

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

Given the equation −4  = 12, solve for x and identify if it is an extraneous solution.