True or false? Any matrix plus the identity matrix is the original matrix. A. True
B. False

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.

Given abc find the values of x and y. in your final answer, include all of your calculations.

Solve the following system of equations express your answer as an ordered pair in the format (a,b) with no spaces between the numbers of symbols 5x+2y=22