The formula for the area of a circle is a= 2ïr^2. how does the value for a change when r increases

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Me because some of question i don’t understand

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.