Is 5/2 rational or irrational

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

If rt is greater than ba, which statement must be true ?

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7