Aline has a slope of negative 5−5. (a) what is the slope of the line parallel to it? (b) what is the slope of the line perpendicular to it?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

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.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.