A tank can be filled by one pipe in 3 hours and by a second pipe in 5 hours; and when it is full, the tank can be drained by a third pipe in 4 hours. If the tank is empty and all three pipes are open, in how many hours will the tank be filled?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

Which of these triangle pairs can be mapped to each other using a single translation? cof hn

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.