74 divided by 15 and 74 times 15 :)

Michelle is planting flowers in her garden. she wants the ratio of daises to carnations to be 3 to 2. michelle wants to plant a total of 35 flowers. how many daises should she plant?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /