You are given that cos(A) =-7/25 with A in Quadrant III, and cos(B) = 3/5, with B in Quadrant I. Find cos(A + B). Give
your answer as a fraction,
Provide your answer below:
cos (A + B) =

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

What describes horizontal cross section of the right rectangle 6m 8m 5m

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?