Write a function to represent the set of ordered pairs. {(1, -2), (2, 5), (3, 24), (4, 61)}
A) f(x) = -2x
B) f(x) = x^3 - 3
C) f(x) = x^2 - 3
D) f(x) = 5x^2 - 7

Figure abcde is a regular pentagon. segment ae is located at a (2, 1) and e (4, 1). what is the perimeter of abcde? 4 units 6 units 8 units 10 units

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.