Sam paid $8.25 for 18 stamps. at this rate, how much would it cost sam to buy 12 stamps

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

What 8/12+8/11 in another way than and improper fraction