Which of the following pairs represent the same rational number? a) -2/3 and 4/9 b) -1/-2 and -3/-2
c) 5/4 and 25/20 d) 6/12 and -1/2
plz give me answer my exam is going on

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?