Answer:
9=0.6q where q is the number of questions on the exam.
Step-by-step explanation:
220.5
C) 4x^2 -8x +4[/tex]
(-2x+2)^2
we apply (a+b)^2 formula
a= -2x and b= 2
Replace 'a' with -2x and 'b' with 2
(-2x)^2 is 4x^2
option C is the answer
B. 9