I need to make these into algebraic expressions or equations:5 less than the product of 10 and c, 14 more than 6 times t, the sum of x and y is 18, A number minus 12 is 17

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?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Which of the following represents the length of a diagonal of this trapezoid?