No links please Katie performed the steps shown to solve a quadratic equation using the method of completing the square:
Step 1: x^2 +4x - 6 = 0
Step 2: x^2 + 4x = 6

What represents the next correct step she should take?
A. x^2 + 4x + 2 = 6 + 2
B. x^2 + 4x + 2 = 6 - 2
C. x^2 + 4x + 4 = 6 + 4
D. x^2 + 4x + 4 = 6 - 4

As soon as look at the parallelogram abcd shown below: the table below shows the steps to prove that if the quadrilateral abcd is a parallelogram, then its opposite sides are congruent: which choice completes the missing information for reason 5 in the chart? (6 points) congruent parallelograms congruent triangles similar angles similar triangles

What is the value of x in the this question ?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?