To make a certain drink, you need to mix 200 ml of concentrate with 1,2 L of water. Determine the ratio of concentrate to water. How much concentrate will you need if you have to make up a total of 14 litres of this drink?

Which expression is equivalent to the expression shown?

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.