Write the general equation for the circle that passes through the points (1,,3), and (9,2).
you must include the appropriate sign (+or-) in your answer. do not use spaces in your answer.
8x^2+8y^2__x__y__=0

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?