A packet of flour and a bag of onions have a total mass of 3.25kg. 3 similar packets of flour and 2 similar bags of onions weigh 9kg in all.
What is the total mass of 5 such packets of flour?​

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.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?