F(n) = 3n+3 ;Find (1)

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2