Surface area = 3.14(rs + r2)

part a: if r = 2 units and s = 3 units, write an expression that can be used to calculate the surface area of the cone. (4 points)

part b: what is the surface area of the cone? show your work. (6 points)

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Which expression converts 45 degree to radians