Given the following perfect square trinomial, choose the missing variable. 4x2 + X+64
128
16
32
8

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb

30,40,50 is correct answer

hint: which coefficient is a multiple of 360°?

step-by-step explanation: