Since only 2 of the 50 states are not connected to the mainland, what percentage of the states ARE on the mainland?

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?

Ihave trouble finding the nth term of a linear sequence

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.