Use the figures above how many of each shape can be found when decomposed to find the area?

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?