Greatest common factor for 99 and 45

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

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Determine the lengths of the sides of the rectangle using the given area. give answers both exactly and approximately (to the nearest tenth). the area of the rectangle is 46 cm2.