The grand canyon is approximately 29 kilometers long. mariner valley is a canyon on mars that is approximately 212 kilometers long. about how many times longer is mariner valley than the grand canyon?
a. 2
b. 2 to the 3rd poer
c. 2 to the 21st power
d. 2 to the 108 power

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°