Solve x^2-8x=20 by completing the square. which is the solition set of the equation ? a){-22, 14} b){-14, 22} c){-10, 2} d){-2, 10}

Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute.how many minutes does it take for the plane to rise during stage 2?