Find three consecutive numbers such that three times the lowest one plus five times the middle one is equal to 39 less
than ten times the largest one.

What is the equation of the graph below? y=sec(x)-4

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]

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.