Can someone plz help me with these. Will chose Brainlist.

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?