What is 6 plus 12 with an exponent of 2

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

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.

What are the interpretations of the line 3x - 15y = 60? x-intercept y-interception a: x 20 - y -4 b: x 5 - y 20 c: x -3 - y 15 d: x -4 - y 20