Wayne bought an engagement ring for tracy.
the total cost of the ring was £420 plus vat at 17.5%
work out the cost of the ring

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?