23% The accurate scale diagram shows a telephone mast and a box.
Find an estimate for the real height, in metres, of the telephone mast.
3.2meters
+
telephone mast
To measure a length, click on
the ruler, position it and then
drag this to find the length.
+2.5 m
box

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.