Joni earned twice the amount of money babysitting on saturday as she did on wednesday. she earned $15 more on friday than wednesday. she earned $50 on sunday. her total earnings for all four days were $345. how much more did joni earn on wednesday than on sunday?

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Does the point (1, sqrt 7) lie on circle shown.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.