For the following questions answer them individually
P and Q can do a project in 12 and 12 days respectively. In how many days can they complete 50% of the project if they work together?
The point R(a,b) is first reflected in origin to R1 and R1 is reflected in xÂaxis to (Â4,2). The coÂordinates of point R are
For triangle PQR, find equation of altitude PS if coÂordinates of P, Q and R are (1,2), (2,Â1) and (0,5) respectively?
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