2. Solve the equation by completing the square, step by step please. Write your answer as a solution set. 4x^2-2x+5 = 0

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

How many terms does the polynomial x^2 y^2 have