I'm building a fence around my garden for every 3 feet of fencing the cost is $18. If i pay $36 how much fencing did I get? Please solve this problem and tell me how to do it. ty!

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

Find the exact value of cos(arcsin( one fourth for full credit, explain your reasoning. (2 points)