HELP ME POR FAVOR

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?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?