Select the correct answer. Which equation is equivalent to the formula below?
y = a(s - )2 + b
ОА
- (x - k)?
* = +/- + - h
OB
OC.
a
n?
OD. b = y + (x - 1)?

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

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]

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?