Points P and Q are plotted on a line. Find a point R so that a 180-degree rotation with center R sends P to Q and Q to P.

How to solve a simultaneous equation involved with fractions?

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap