Cala uses 2 pounds of feed-all fertilizer for a 100-foot row of vegetables at her farm. at this rate, how many pounds of fertilizer would she use for a 450-foot row of vegetables? explain

The area of a circle is equal to 1 dm². find the radius of the circle.

Find the measure of angle b in the following triangle

There is a linear relationship between a salesperson sales and her weekly income.if her sales are $200 her income is $500 and if her sales are 1,200 her income is $600.what is the relationship between sales and income