Four friends, ali, joy, kay, and lyn, decided to celebrate kay’s birthday with dinner at the clever cafe. each chose one main course (duck,
beef, pork, or fish) and one dessert (mousse, torte, fruit, or crepe) but
no two chose the same dish. their surnames, in no particular order,
are gorman, foster, fields, and devlin.
use the following clues to determine their full names and what they had to eat.
1. joy never eats pork but ali had crepe.
2. the beef-eater has the letter ‘a’ in her first name.
3. ms gorman had fruit dessert but is not the birthday girl.
4. the fish-eater had torte but she wasn’t ms devlin.
5. ms foster had duck but not mousse.

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional