What is the surface area of this design?
A.490in2
B.440in2
C.600in2
D.560in2

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Which expression is equivalent to the expression shown?