Lvava is calculating the area of a circle with a radius of 3/4 which of the following gives the BEST estimation of the area?

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?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?