The sides of a triangle are in the ratio 3: 4: 5. What is the length of each side of the triangle if the perimeter is 30 cm?

What is the measure of angle tvu shown in the diagram below

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

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.