6 boxes of spaghettis for 20 persons so that means 12 boxes for 40 persons since there are 50 persons we have 10 persons left since 10 is equals to 20 divided by 2, divide 6 by 2 which is equals to 3 then add 12
Answer: 15
Answer:
1st one is not a right triangle.
2nd one is not a right triangle.
3rd one is not a right triangle.
4th one is a right triangle.
Step-by-step explanation:
1, 2, and 3 could also be "not enough information".
Answer:
x=-1, x= 1
Step-by-step explanation: