The ratio of girls to boys in Mrs.Johnson' class is 4 to 5. There are 12 girls in the class. What is the total number of student
2 answers:
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The rule of reflection over y-axis
(x,y) ⇒⇒⇒ (-x,y)
Note point T will not change
the solution is as shown in attached figure
(x,y) ⇒⇒⇒ (-x,y)
Note point T will not change
the solution is as shown in attached figure