PLS PLS PLS CAN SOMEONE HELP, ITS DUE TOMORROW, PLS ANSWER CORRECT AND EXPLAIN AND I WILL GIVE BRAINLIEST

Solve for x by completing the square. 2x^2-4x+7=0

The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level

What two criteria are needed for triangles to be similar