Which of the following is a true statement a.5/6> 10/12 b.6/9=1./3 c.13/15> 4/5 d.1/4> 1/3

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b