in triangle ABC, side (BD) is perpendicular to side (AC). The dimensions are shown in centimeters. What is the length, in centimeters, of side(AC)? Enter ONLY the numeric part of your answer.

Write an expression to show the sum of x and y

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079