Use the slope formula (y2-y1)/(x2-x1)
(0+9)/(4+7)=9/11
Since q is parallel to r the slope will be the same. 9/11 is the slope of line r
Answer: n = 4π(sq)q/(t(sq)*p)
Step-by-step explanation: please see attachment for clearer details. Thanks!
Answer:

Step-by-step explanation:


