Which ordered pair is a solution to y= x- 4

The circumference of a circle is 5 pi cm. what is the area of the circle?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!