Answer:
8ac+3b-7a
Step-by-step explanation:
2ac+6ac+4b-b-7a=
44.50-11= 33.50
6.25x2= 12.50
33.50-12.50= 21$
She has 21$ left over
25%
hopes this helps you
Diameter of the circle=
Circumference of a circle:
Area of the circle:
6