Which relation is a function?
a. {(-3, 8), (9, -12), (0, 0), (4, -1)}
b. {(4,5), (4, - 7), (4,2), (4,9)}
c. {(8, 4.5), (-2, 1.2), (5,0.3), (-2, 1)}
d. {(-6,-4), (-2, -, -1)}

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?