Miguel says that an equilateral triangle is sometimes an obtuse triangle. jane says that an equilateral triangle is always an acute triangle. is either of them correct?

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Joanie watched 1 out of three of a movie in the morning