In which step did Daniela make the first error?
Step 1
Step 2
Step 3
Step 4

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.