The Stone family left the waitress a 15% tip. What was the cost of their meal if they left the waitress a $9 tip?

On the april 3 billing date, michaelle chappell had a balance due of $ 1495.39 on her credit card. from april 3 through may 2, michaelle charged an additional $ 305.34 and made a payment of $ 800.a) find the finance charge on may 3, using the previous balance method. assume that the interest rate is 1.8 % per month.b) find the new balance on may 3.

Can someone tell me if this is perpendicular? !

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?