At a charity function, $150,045 was donated by three companies A, B, and C in the ratio 7 : 5 : 9. How much money did company B donate?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

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.

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2