Task 3: System of Rational Expressions Recall that a set of elements (numbers or expressions) is closed for a given mathematical
operation if performing the operation on any two elements in the set always results in an
element of the set.

a: inscribed angles

step-by-step explanation:

i reviewed this question with a peer and teacher, seems to be correct, me later

question: the type of image formed by a convex lens is determined by the objects?

answer: it depends on the shape of the lens and the position of the object.

explanation: because if it was not positioned correctly it would have a diffrent image of what you were expecting to see

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