Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x? 1 plus-or-minus StartRoot 21 EndRoot i Negative 1 plus-or-minus StartRoot 19 EndRoot i 1 plus-or-minus 2 StartRoot 19 EndRoot i 1 plus-or-minus StartRoot 19 EndRoot

Write a recursive sequence that represents the sequence defined by the following explicit formula:

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students