An equilateral triangle has an area of 64squared by 3 to the power of two. If each side of the triangle is decreased by 4 cm, by how many square centimeters is the area decreased?

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?