Let a, b and c be positive numbers such that ab=2, bc=4 and ac=8. what is the value of abc?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

Consider circle o, where and . m∠bpd °. °.