A roller coaster begins at ground level, rises 63 feet, then falls 71 feet. What is the elevation of the roller coaster, relative to the ground? *
134 feet
8 feet
- 8 feet
- 134 feet

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

The trigonometric ratios sine and secant are reciprocals of each other

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.