Select all the expressions that are equivalent to (2n+6)(n+3)
A. 2(n^2+6n+9)
B. 2n^2+6n+18
C. 2n^2+12n+18
D. 12n+18
E. 2(n+3)(n+3)
F. 2(n+3)^2

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge

Which phrase best describes the word definition in an axiomatic system? a. the accepted meaning of a term b. the statement of an axiom c. an accepted fact that is not proven d. a fact proven by using logic