A triangular clock has sides measuring 16 cm, 12 cm, and 20 cm. What is the area to the nearest square centimeter?

Simplify the expression. -2/5(10+15m-20n)

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.

Drag the tiles to the correct boxes to complete the pairs. using the properties of integer exponents, match each expression with the correct equivalent expression.