Time (1) in minutes Frequency
0 5
10 < t < 20
12
20 17
40 < t < 60
6
Work out an estimate for the mean time the people spent mowing their lawns.

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle. sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Find an equation of the line perpendicular to the graph.