What is the exponential form of 2×2×2×2×2​

What are the soultion(s) to the quadratic equation 40- x^2=0

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d

Will mark brainliest! ( explain the answer too, it can be one sentence)