Which equation can be used to represent "six added to twice the sum of a number and four is equal to one-half of the difference of three and the number"?
6+2(x+4)=1/2(3-x)
6+2(x+4)=1/2(x-3)
(6+2)(x+4)=1/2(3-x)
(6+2)(x+4)=1/2(x-3)

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)