21 environmentalists decide to go to lunch. The probability they order pizza and/or a cheeseburger is 11/21. The probability someone orders a cheeseburger is 1/3 and the probability someone orders pizza is 2/7. What is the probability that someone orders both? (Hint: Venn Diagram)

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation:

false

step-by-step explanation:

false : it can not go to 9 the highest that part can go is 7

here is your proof

answer: the answer is d

6cm

step-by-step explanation: