3 A fast-food chain launches a new milkshake range.
The milkshakes are sold in three different sizes and there are four different flavours.
a) How many combinations of flavour and size are there?
(2 Points)
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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?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

What is the gcf of 20c^3-5c^4+30c^6