The 8th term and 12th term of an arithmetic sequence are -48 and -62 respectively. Find the 20th term​

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?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Triangle knm is what is true about the sides of knm