Solve by completing the square: 4x^2 - 8x - 8 = 0 a) -2 + sqt. 2, -2 - sqt.2
b) 1 + sqt. 3, 1 - sqt. 3
c) 1 + sqt. 2, 1 - sqt. 2
d) -2 + sqt. 3, -2 - sqt.3

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Which choice names the hypotenuse of triangle xyz? a. segment yx b. segment yz c. segment ab d. segment zx

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.