If a = { x ∈ r | | x | ≤ 1 } and the relation r is defined as a, b ∈ r if and only if a2 ≤ | b | and b2 ≤ | a | then which of the following properties is true?
a. antisymmetric
b. transitive
c. reflexive

With this question! what is process of elimination? ? p. s. my brothers acc got banned so add his new one @ yamauchiyamyam17

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

Multiply. write your answer in simplest form. 3/8 x 5/7