1. Where do you think the new center should go so that it just touches the sidewalk and the neighbors yard? Give your estimation and reasoning! Help!!???

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Y= a(x-3)squared-1 what is the value of a